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April
  • Antibodies and specific biological forces. Endeavour 7 (April 1948): 43-53. [Filed under: LP Publications, 1948p.7]
  • Photo: Linus, Peter and Linda Pauling, [Mrs.?] Daudel and Ava Helen Pauling standing together outdoors on a stairway. Photographer unknown. Color print. [Filed under LP Photo Box: 1948i.10]
  • The Reactions of Antiserum Homologous to the p-Azosuccinanilate Ion Group, J. Am. Chem. Soc. 70 (April 1948): 1352-1358. [Filed under: LP Publications, 1948p.17]
  • The serological properties of simple substances, XIII. The reactions of antiserum homologous to the p-azosuccinanilate ion group. J. Am. Chem. Soc. 70 (April 1948): 1352-1358. Written by: David Pressman, John H. Bryden, and Linus Pauling. [Filed under: LP Publications, 1948p.1]

April 1  (England)

April 2  (England)
  • Letter from Priscilla Roth, Secretary to LP to Dr. Joseph Schaffner RE: Says LP is leaving for two weeks in Paris and asked her to forward the enclosed letter from a F. M. Brewer who has been trying to get information for Perugina, gives the dates of the end of LP's trips, and gives the address of the man who has been getting the information for LP. [Letter from LP to Schaffner March 29, 1948, Letter from Schaffner to LP April 5, 1948] [Filed under LP Correspondence: (S: Correspondence, 1948) 378.2]
  • Letter from Prof. John G. Kirkwood, Acting Chair, Division of Chemistry, Caltech, to Miss Danica Stocesova, School of Chemistry, University of Minnesota, RE: Notes that they have received her application but that at the present time they have no openings available. [Letters from Kolthoff to Kirkwood March 16, 1948, from Stocesova to Kirkwood May 16, 1948] [Filed under LP Correspondence: Box #199.8, file:(Kolthoff, I.M.)]
  • Statement from Charles Allen Thomas, President, ACS, to the Senate Armed Services Committee. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.4]

April 3  (Paris)
  • Letter from Alden H. Emery, Executive Secretary, to Board of Directors. RE: Informs them of the proceedings of the Senate Armed Services Committee. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.4]
  • Letter from Jerome L. Rosenberg, Columbia University, to Prof. John G. Kirkwood, Dept. Of Chemistry, Caltech, RE: Inquires about research positions at Caltech. Describes his previous plans of working in Palestine, his relevant education and experience. [Letter from John G. Kirkwood to Dr. Jerome L. Rosenberg April 8, 1948] [Filed under LP Correspondence: #340.13]
  • Letter from Karl Paul Link to Dr. Harold C. Urey, Emergency Committee of Atomic Scientists.: Encloses a donation and expresses his support of their work. Wishes he could attend the dinner for Dr. Condon, but his health is not as good as it once was. [Letter from Urey to Link, April 8, 1948]. LP Peace: Box 3.005, Folder 5.3

April 5  (Paris)
  • Letter from Dr. David Pressman, Sloan-Kettering Institute for Cancer Research, to Beatrice Wulf, Department of Chemistry, Caltech, RE: Notes he has received, proofread and returned the manuscript. Comments on life in New York. Mentions that he has recently heard from LP. Inquires about current conditions in Pasadena. [Filed under LP Correspondence: Box #309.7, file:(Pressman, David)]
  • Letter from Dr. Joseph Halle Schaffner to LP RE: Thanks him for the information he had sent, says that their children have decided against coming to Europe with them as Eliot os going to a ranch in Arizona and Perugina has decided to drive down to California and take her class there, tells their plans for Europe, tells about his trip to Chicago, and hopes to seem LP in England. [Letter from Roth to Schaffner March 2, 1948] [Filed under LP Correspondence: 378.2]
  • Letter from Dr. R.M.C. Arnot to LP RE: Thanks him for his letter, and expresses hope that LP will be able to come lecture at a future date. [Letter from LP to Arnot March 30, 1948] [Filed under LP Correspondence: Box #12.14, file:(A: Correspondence, 1948)]
  • Letter from Ian Campbell to LP RE: Informs him that this summer he will be a delegate of the AIME and Caltech to the International Geological Conference in London. Requests “tips for travelers” regarding his upcoming stay in England. [Letter from LP to Campbell May 6, 1948] [Filed under LP Correspondence Box: #74.16, file:(C: Correspondence, 1948)]
  • Letter from P. W. Bridgeman, E. M. Morgan, and J. C. Slater, to Members of the National Academy of Sciences. RE: Explains that the charges against Dr. Condon are false. [Filed under LP Science: National Academy of Sciences, 1945-1951: Box #14.019 Folder #19.2]
  • Note from Dr. Patrick Meares, Davy Faraday Research Laboratory, Royal Institution, to LP RE: Sends questions on the diethyl succinate molecule. Discusses with it has a trans or cis formation. [Letter from LP to Meares April 26, 1948] [Filed under LP Correspondence: Box #255.15, file:(M: Correspondence, 1948)]
  • Note from S.J.S[wingle] to Dr. John G. Kirkwood, Division of Chemistry, Caltech, RE: Reports that he does not understand the document by Hall, but feels a personal interview would clear the matter up. [Letter from Kirkwood to Hall April 8, 1948] [Filed under LP Correspondence: Box #165.13, file:(H: Correspondence, 1948)]

April 6  (Paris)
  • Letter from A. V. Grosse, Committee on Foreign Compendia, to LP. RE: Informs him of the next meeting in Chicago. Informs him of the guest speaker. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1938-1950: Box #14.008 Folder #8.3]
  • Letter from Dr. Ronald S. Nyholm, Chemistry Department, University College, London, to LP RE: Discusses his research with tertiary arsines and the relevance of LP's theory of charge. Mentions that he heard LP lecture in London and that Ingold thought Nyholm should contact LP. Encloses a document on his research and requests LP comment on it. (Notes under text by LP re: Ingold's comments on the subject.) [Letter from LP to Nyholm May 4, 1948] [Filed under LP Correspondence: Box #279.5, file:(Noyes, W. A., Jr.)]
  • Note from Margaret Hanbury to AHP RE: Thanks AHP for inviting her to the Pauling home and enjoyed meeting the family. [Filed under AHP General Correspondence: Box #1.001, Folder #1.2]

April 7  (Paris)
  • Correspondence, Background Material: The Structure of Antibodies and the Nature of Serological Reactions, Conference on Isotopic Exchange and Molecular Structure, Societe de Chimie Biologique et l'Societe de Chimie Physique, Paris, France. [Filed under: LP Speeches, 1948s.27]
  • Letter from Dr. K. Huber, President, Chemisches Institut, Universität Bern to LP RE: Regrets that they will be unable to have LP come speak on the proposed date in July because school will have ended for the year. [Filed under LP Correspondence: Box #165.13, file:(H: Correspondence, 1948)]
  • Letter from Hugh Bryson, State Chair, Independent Progressive Party, to LP RE: Writes that LP has been nominated for membership in the interim State Central Committee which will serve through August 8, 1948. Encloses an acceptance blank for LP to return. [Letter from LP to Bryson May 4, 1948] [Filed under LP Correspondence: Box #185.9, file:(I: Correspondence, 1948)]
  • Letter from R. C. Gibbs, National Research Council to LP RE: Informing LP about his appointment to a U. S. representative committee for the International Union of Crystallography. Also, congratulates him on his appointment as President-elect of the American Chemical Society. [Filed under LP Science: National Research Council, 1925-1950: Box #14.027 Folder #27.4]
  • Letter from William M. Wylie to LP RE: Wishes to understand what LP meant in an article in which he stated that salt could be removed from sea water by a nuclear compressive process, explains that he asks because he has started work developing a practical method of removing salt from sea water and the statement sounded like a conception of his idea. Assumes that they are not trying to keep their research a secret if they are researching it at Caltech and wishes for any information they could give him. [Letter from Wulf to Wylie April 14, 1948] [Filed under LP Correspondence: 443.16]

April 8  (Paris)

April 9  (Paris)

April 10  (Paris)
  • Application from Camille Sandorfy to The Institute of International Education for funds (in French). [Letter from Alice A. Adanalian to LP January 7, 1949, telegram from Alice A. Adanalian to LP January 12, 1949] [Filed under LP Correspondence: #357.2]
  • Letter from Beatrice Wulf, Secretary to LP, to Charles Schauer RE: Informs him that she is forwarding his letter and attachments to LP in England. [Letter from Schauer to LP April 1, 1948] [Filed under LP Correspondence: Box #37.15, file:(B: Correspondence 1948)]
  • Letter from Jean L. Harvey, Congreve South Durham, New Hampshire, teacher to LP. RE: Asking LP about resonance states and if he could give a better explanation to his graphs. [Filed under: LP Manuscripts of Books, 1939b.2]
  • List of mail forwarded from Caltech by Beatrice Wulf to Priscilla Roth at Balliol College. [Carbon sent back from Roth to Wulf April 19, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]

April 11  (Paris)
  • Letter from Christian Gauss to Gentlemen of Emergency Committee of Atomic Scientists, RE: Encloses another donation from Luther Ely Smith. [Letter from Mary E. Ray to Dean Christian Gauss April 23, 1948] [Filed under LP Peace: (Emergency Committee of Atomic Scientists– Correspondence: E-G, 1946-1948) Box # 3.003, Folder 3.5]
  • Note from Dr. J.F. Westerkamp, University of Buenos Aires to LP RE: Explains that he is an instructor in the school of chemistry at the University of Buenos Aires, says LP is very well known there, and he has been asked by the Dean of the Faculty of Exact Sciences to invite LP to come visit their university and give a few lectures. Gives period of time for visit, the expenses they would cover, and hopes he can come. (Handwritten note at top: “Please answer, giving thanks + saying 1948 is impossible. Also probably 1949, because of my ACS presidency.”) [Letter from Wulf to Westerkamp April 30, 1948] [Filed under LP Correspondence: 443.16]
  • Note from Dr. Thomas Addis to LP RE: Informs him that a Dr. Feigan is considering going to China to supervise the administration of Oxypolygel to wounded soldiers. Mentions that he is worried about this project as the results in rats indicate that the blood substitute does not function well when renal tissue is not performing at an optimal level. States that Dr. Feigan will be writing LP for advice. [Filed under LP Correspondence: Box #2.3, file:(Addis, Thomas 1948-1949)]

April 12  (Paris)
  • Letter from D. H. Killeffer to Beatrice Wulf, Executive Secretary, Department of Chemistry, Caltech RE: Requests LP's address at Oxford as he would like to send LP a manuscript of an ACS monograph he is preparing on theories of the poly-acids of molybdenum. [Letter from Wulf to Killeffer April 14, 1948] [Filed under LP Correspondence: Box #200.13, file:(K: Correspondence, 1948)]
  • Letter from E. J. Durham, Secretary, New York Section, to Alden H. Emery, Executive Secretary. RE: Informs him that it has been moved that the Council Policy Committee have clear lines of communication. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1944-1949: Box #14.009 Folder #9.1]
  • Letter from Janet MacRorie, W.H. Freeman and Co., to LP . RE: MacRorie is sending a folder that includes descriptions of all the chemistry books published by W.H. Freeman and Co., under LP's editorship. She says that a number of single orders for copies of "General Chemistry" are arriving from England and Scotland. [Filed under LP Manuscripts of Books, 1947b6.1]
  • Letter from Professor Brynmor Jones, Department of Chemistry, University College to LP RE: Invites him to lecture at their joint meeting of the Local Section of the Chemical Society and the College Scientific Society, talks about college, tells of famous people who have visited, and asks for dates he could accept. [Letter from Roth to Jones April 19, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]

April 13  (Paris)
  • Commission on Encyclopedia and Compendia. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1938-1950: Box #14.008 Folder #8.3]
  • Letter from Frank Aydelotte to LP RE: Asks if he has been to see the flat on Merton Street, and requests that LP inform him of his opinion as soon as possible. [Letter from the Master to LP March 30, 1948, letter from Roth to Aydelotte April 20, 1948] [Filed under LP Correspondence: Box #6.21, file:(Aydelotte, Frank, 1940-1956), and copy in #299.8 (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948)]
  • Note from Dr. Robert Corey to LP RE: Informs him that he is recovered and back at his desk. Discusses the necessity of Dr. Singer's current work with protein films, and suggests that Vaughan begin the x-ray work when he completes his thesis in August. Also mentions the insulin problem Carl Niemann is working on. [Letters from LP to Corey March 3, 1948, April 27, 1948] [Filed under LP Correspondence: Box #67.6 file:(Corey, Robert B., 1937, 1943, 1947-1952, 1954-1957, 1960, 1965, 1967-1968, 1971)]
  • Note from Robert S. Corey to LP RE: Corey writes that he is now back at his desk in the Crellin Laboratory and is thoroughly enjoying his stay. Discusses his talk with Dr. Singers about the x-ray work and what progress the others have made as well. [Filed under: LP Speeches, 1948s.27]
  • Notice from Luther P. Eisenhart, Executive Officer, to Members of the APS. RE: Informs them that the formal dinner on Friday, April 23rd has been canceled due to the death of the president of the Society. [Filed under LP Science: American Philosophical Society, 1936-1963, 1989, 1991: Box #14.011 Folder #11.2]

April 14  (Paris)
  • Letter from Beatrice Wulf, Executive Secretary, Department of Chemistry, Caltech to William M. Wylie RE: Replies that LP is in England until the coming fall, and explains that neither he nor their laboratories have been involved in researching the conversion of salt water to sweet water. Mentions that she believes the method to which he refers is the Von Kleinschmidt method, and he can get further information from the Arthur D. Little Company. [Letter from Wylie to LP April 7, 1948] [Filed under LP Correspondence: 443.16]
  • Letter from Beatrice Wulf, Executive Secretary, Department of Chemistry, Caltech, to D. H. Killeffer RE: Provides him with LP's address at Oxford so that he may send LP his manuscript for comment. [Letter from Killeffer to Wulf April 12, 1948] [Filed under LP Correspondence: Box #200.13, file:(K: Correspondence, 1948)]
  • Letter from Lt. Commander Perrin, Assistant Naval Attache, Ambassade de France aux Etats-Unis, to CIT. RE: Requests LP's address. Would like to obtain further knowledge on the oxygen meter. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1944-1982: Box #13.003 Folder #3.6]
  • Memo from Dr. Don Yost, Caltech, to W.R. Stott RE: Lists the charges involved in dismantling and removing the radon plant from the Gates Laboratory at Caltech. [Memos from Kirkwood to Stott February 12, 1948, April 14, 1948; from Stott to Kirkwood March 18, 1948] [Filed under LP Correspondence: Box #108.5, file:(Emery, Clyde K., 1935, 1942-1944, 1947-1948)]
  • Memo from J.G. Kirkwood, Caltech, to W.R. Stott RE: Informs him that Yost is submitting a bill for the removal of the radon plant, to be charged to Dr. Emery. Adds that the account will be closed at that time. [Memos from Kirkwood to Stott February 12, 1948, from Stott to Kirkwood March 18, 1948, from Yost to Stott April 14, 1948]

April 15  (Paris)
  • Letter [two copies] from E. K. Wickman, Director, Division of Education, The Commonwealth Fund to LP RE: Presumes LP has returned from Oxford, writes on behalf of Dr. John Sheridan, an applicant for the Commonwealth Fund Fellowship for the next year, sends a copy of his application, says he is very strongly endorsed by all of his referees, and asks if LP is interested in having him next year. (Attached: “Excerpts from Application for Commonwealth Fund Fellowship”) [Letter from Wulf to Wickman April 19, 1948] [Filed under LP Correspondence: 378.2]
  • Letter from Dan Campbell to LP RE: Inquires as to the status on the revisions on the manuscript for the Annual Review of Microbiology. [Filed under LP Correspondence: Box #57.6, file:(Campbell, Dan H., 1939, 1941, 1944, 1948-1949, 1956, 1961-1962, 1965, 1970, 1974)]
  • Letter from Dr. Frowein, Regierungsdirektor, Gesellschaft Deutscher Chemiker to LP RE: Invites him to a discourse-program scientific meeting of the Chemical Society in Hesse, asks him to talk abut one of his specialties, and says this meeting has the support of the American Military Government as well as the Hessian Ministry. [Letter from Coster to LP April 20, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Professor T. S. Wheeler, Department of Chemistry, University College in Dublin to LP RE: Invites him to deliver a lecture, gives him a list of possible dates, tells them the amount of honorarium they pay, and leaves the subject choice to him. [Letter from Roth to Wheeler April 19, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]

April 16  (Paris)
  • Letter from Harold R. Rafton, to Walter J. Murphy, Editor. RE: Points out that he introduced a religious discussion into the pages of the C & E N by quoting an Archbishop. Requests that he publish his letter from March 31st. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.4]

April 17  (Paris)
  • Note from D.W. Bush to LP RE: Requests his opinion of the enclosed voltage chart. [Filed under LP Correspondence: Box #37.15, file:(B: Correspondence 1948)]

April 18  (Glasgow)
  • Letter from Prof. N. F. Mott to LP RE: Discusses their conversation and LP's presentation of a paper in Paris on electrons. Requests to see him and discuss the [Letter from LP to Mott May 3, 1948] [Filed under LP Correspondence: Box #250.3, file:(Mott, N. F.)]

April 19  (Glasgow)
  • Carbon copy of list of mail forwarded from Caltech by Beatrice Wulf to Priscilla Roth at Balliol College. (Note on top in pencil: “OK - 4/19/48 PR”) [List from Wulf to Roth April 10, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Beatrice Wulf, Executive Secretary to Dr. E. K. Wickman, Director of Education, The Commonwealth Fund RE: Says LP is still at Balliol College and does not return until September, says she is forwarding his letter to him at Oxford and thinks he will hear from LP soon. [Letter from Wickman to LP April 21, 1948] [Filed under LP Correspondence: (W: Correspondence, 1948), #378.2]
  • Letter from Dr. F. Allibone, Associated Electrical Industries Limited Research Laboratory to LP RE: Says he has not had the pleasure of meeting him before, asks him to visit his laboratory there and describes why it is of interest, asks if he could give a talk to his scientific staff during his visit, suggests a topic, and says they could make all of the necessary arrangements. [Letter from LP to Allibone May 6, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Emergency Committee of Atomic Scientists to Madeleine M. Low Thanks her for her support and writes with the current United Nations decision, it is more important than ever that a peaceful solution for the atomic energy crisis be reached. [Letter from The Madeleine M. Low Fund, Inc. to Emergency Committee of Atomic Scientists, April 27, 1948]. LP Peace: Box 3.005, Folder 5.3
  • Letter from Executive Secretary to Lt. Commander Perrin, Assistant Naval Attache, Embassy of France. RE: Apologizes for the delay in writing. Sends a reprint describing the instrument. Recommends they write to Dr. Beckman for more information. Informs them that LP is in England serving as Eastman Professor at Balliol College, Oxford. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1944-1982: Box #13.003 Folder #3.6]
  • Letter from Priscilla Roth, Secretary to LP to Professor Brynmor Jones, Department of Chemistry, University College, Hull RE: Tells him LP is out of town, says when he will be back to answer invitation, and warns him that he may not accept as his schedule has become so full he stopped accepting invitations. [Letter from Jones to LP April 12, 1948, letter from Jones to Roth April 21, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Priscilla Roth, Secretary to LP to Professor T. S. Wheeler, Department of Chemistry, University College in Dublin RE: Tells him when LP will be back, says he will hear from him then, and says she thinks it is unlikely he will accept as he has had to stop accepting invitations. [Letter from Wheeler to LP April 15, 1948, letter from LP to Wheeler May 4, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Newspaper Clipping: “President-Elect of the ACS”, New York Journal of Commerce, April 19, 1948. [Filed under LP Scrapbooks, 1946-1950: Box #6.005, Folder 5.22]

April 20  (Edinburgh, Scotland)
  • Edinburgh University Chemical Society, Certificate of membership, April 20, 1948. [Filed under LP Awards & Honors: 1948h.2]
  • Letter (with copy) from Harry J. Coster, Research Control Branch, Office of Military Government for Hesse, Economics Division to LP RE: Encloses a letter from Dr. Frowein, says it would be welcomed if he gave this meeting his active support, and says his answer can be sent to this office. (Invitation in German attached) [Letter from Frowein to LP April 15, 1948, letter from LP to Frowein May 3, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Alfred N. Richards, President, to Members of the National Academy of Sciences. RE: Informs them that the publication of the statement would be inadvisable. Informs them that he has met with Mr. Thomas. [Filed under LP Science: National Academy of Sciences, 1945-1951: Box #14.019 Folder #19.2]
  • Letter from Priscilla Roth, Secretary to LP, to Frank Aydelotte RE: Reports that LP has been unable to see the Merton Street Flat as he and the family were in Paris from April 3 to April 17, and LP currently in Scotland. [Letter from Aydelotte to LP April 13, 1948, letter from LP to Aydelotte April 27, 1948] [Filed under LP Correspondence: Box #6.21, file:(Aydelotte, Frank, 1940-1956) and a copy in #299.8 (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948)]
  • Letter from W. H. Freeman, W. H. Freeman and Company to LP RE: Sends enclosed portions of a letter from Roger Hayward that relate to a book he suggested on chemiCaltechniques, asks questions of usefulness of such a book, suggests he give Hayward a more important position on the title page than he got and asks for suggestions on other people for collaboration. (Portion of letter from Hayward attached) [Letter from LP to Freeman June 8, 1948] [Filed under LP Correspondence: 439.6]
  • List of mail forwarded from Caltech by Beatrice Wulf to Priscilla Roth at Balliol College. [Carbon sent back from Roth to Wulf April 24, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Note from Dr. G. B. Hey to LP RE: Writes that Barbara Rogers has been pressuring him to write the paper on punch-card applications in crystallography. Requests LP come speak with him on the matter while he is in England. [Letter from LP to Hey April 27, 1948] [Filed under LP Correspondence: Box #165.13, file:(H: Correspondence, 1948)]

April 21  (St. Andrews, Scotland)
  • Application for Post-Doctoral Research Fellowship by Jerome L. Rosenberg. [Letter from John G. Kirkwood to Dr. Jerome L. Rosenberg April 8, 1948, memo from B. Wulf to Dr. Corey and Dr. Sturdivant June 1, 1948] [Filed under LP Correspondence: #340.13]
  • Letter from Beatrice Wulf to Mr. Victor Paschkis. Responds to Muste's invitation to LP to participate in the conference in June, informs that LP would appreciate the invitation but will not be returning from England until September. [Letter from Paschkis to Friend', April 22, 1948]. LP Peace: Box 4.012, Folder 12.2
  • Letter from Beatrice Wulf, Executive Secretary, Department of Chemistry, Caltech, to Dr. Werner Nowacki, Universität Bern, RE: Sends the reprint of Dr. Swift's paper and a print of the photo of the model of threonine. Reports that the library made an error in contacting him about Waser's thesis and notes that it has been returned. Notes that they all miss LP, and hear that he will visit Nowacki in Switzerland. [Note from Nowacki to Wulf March 23, 1948] [Filed under LP Correspondence: Box #277.15, file:(Nowacki, Werner)]
  • Letter from E. K. Wickman, Director of Division of Education, The Commonwealth Fund to LP RE: Thanks him for his letter of April 18th, says A. M. Michelson has been placed on the interview list, says he will extend him LP's invitation to work in his laboratories if he gets the award, says Dr. John Sheridan is another strong candidate on the interview list, encloses excerpts from his application, explains how Sheridan would prefer to work with LP, and asks his advice. (Attached: excerpts from John Sheridan's application for the Commonwealth Fund Fellowship) [Letter from Wickman to LP April 15, 1948, letter from LP to Wickman May 4, 1948] [Filed under LP Correspondence: 378.2]
  • Letter from Professor Brynmor Jones, Department of Chemistry, University College, Hull to Priscilla Roth, Secretary to LP RE: Thanks her for answering about LP's engagements, says he understands the demands on his time, says they would be grateful if he came there, and asks if LP would care to suggest a convenient date. [Letter from Roth to Jones April 19, 1948, letter from LP to Jones April 26, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Note from Dr. Reuben Wood, Department of Chemistry, The George Washington University to LP RE: Apologizes for not writing sooner, tells how the president dislikes him but he was still rehired, talks about sharing an apartment with a friend, says he got a letter from the John Otvoses with other news, and congratulates him for being elected President-elect of the American Chemical Society. [Letter from LP to Wood May 10, 1948] [Filed under LP Correspondence: 438.7]
  • Typescript, Correspondence, Poster: The Valence of Metals and the Structure of Intermetallic Compounds, St. Andrews University Chemical Society, Scotland. [Filed under: LP Speeches, 1948s.29]

April 22  (England)
  • Copy of an Assay Certificate for M. L. Shelton, signed by Fred B. Greusel. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1938-1950: Box #14.008 Folder #8.12]
  • Letter from Barbara W. Low, Department of Physical Chemistry, Harvard Medical School, to LP RE: Hopes LP will be able to visit on his way home from England. Mentions that G.B. Hey of Stockport would like to see LP to discuss computing methods. [Letters from LP to Hey April 27, 1948, from Hey to LP May 3, 1948] [Filed under LP Correspondence: Box #165.13, file:(H: Correspondence, 1948)]
  • Letter from Charles W. Tobias, University of California, to LP. Writes on behalf of Dr. Steven Naray-Szabo who was convicted of the intention to overthrow the communist regime in Budapest and imprisoned for four years. He asks LP to materially aid Naray-Szabo's wife and three children and gives instructions for doing so. [Letter from LP to Tobias, June 24, 1948]. LP Peace: Box 6.014, Folder 14.10
  • Letter from John M. Server, Jr., Editor, Western Construction News to LP RE: Explains that there has been a great deal of interest in the possibility of converting sea water into potable water in the semi-arid West, as well as articles in Time discussing the possibility of using atomic energy to distill water. Explains that LP probably has more information on this subject and wonders if he could prepare an article for them on the present and future status of this matter. Explains that Western Construction News covers all the Western States and has many readers among engineers engaged in work with the irrigation and waterworks fields, and this discussion by an real authority such as LP would be of great interest to them. [Letter from LP to Server May 11, 1948] [Filed under LP Correspondence: 443.16]
  • Memorandum from W.H. Freeman, W.H. Freeman and Co., to LP . RE: A man named Garner has sent in a list of criticisms of "General Chemistry," and Freeman has forwarded them on to LP. [Filed under LP Manuscripts of Books, 1947b5.3]
  • Memorandum from W.H. Freeman, W.H. Freeman and Co., to LP. RE: Freeman has spoken to the UCLA staff about their reaction to "General Chemistry." They seem to think the text doesn't prepare students enough for the information it presents. [Filed under LP Manuscripts of Books, 1947b4.6.]
  • Note from E. G. V. Percival to LP RE: Thanking LP for the splendid talk he gave at the University of Edinburgh. [LP's reply: April 27, 1948] [Filed under: LP Speeches, 1948s.28]
  • Program from the Annual General Meeting of the APS. [Filed under LP Science: American Philosophical Society, 1936-1963, 1989, 1991: Box #14.011 Folder #11.2]

April 23  (England)
  • Correspondence: The Valence of Metals and the Structure of Intermetallic Compounds, The Bedson Club, King's College, Newcastle upon Tyne, England. [Filed under: LP Speeches, 1948s.30]
  • Letter from Junius Edwards, Aluminum Research Laboratory, to LP . RE: Edwards has been reading "General Chemistry," and has some criticisms to offer LP in several sections where aluminum is touched upon. [Filed under LP Manuscripts of Books, 1947b5.3]
  • Note from David T. Gibson to LP RE: Questions LP on a comment made in his lecture at Edinburgh and requests clarification. [Filed under: LP Speeches, 1948s.28]
  • Program from the Annual General Meeting of the APS. [Filed under LP Science: American Philosophical Society, 1936-1963, 1989, 1991: Box #14.011 Folder #11.2]

April 24  (England)
  • Carbon copy of list of mail forwarded from Caltech by Beatrice Wulf to Priscilla Roth at Ballol College. (Note on top in red pencil: “OK - 4/24 PR”) [List from Wulf to Roth April 20, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Correspondence: The Structure of Antibodies and the Nature of Serological Reactions, Yarm-on-Tees, England. [Filed under: LP Speeches, 1948s.31]
  • Document listing members elected to the APS . [Filed under LP Science: American Philosophical Society, 1936-1963, 1989, 1991: Box #14.011 Folder #11.2]
  • Letter from Fred J. Hope, Chairman, Program Committee, to LP. RE: Asks if he would be available to speak at their meeting on September 24th of this year. Two copies. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.4]
  • Program from the Annual General Meeting of the APS. [Filed under LP Science: American Philosophical Society, 1936-1963, 1989, 1991: Box #14.011 Folder #11.2]
  • Telegram from Dan Campbell to LP RE: Urgently requests reviewed manuscript. [Filed under LP Correspondence: Box #57.6, file:(Campbell, Dan H., 1939, 1941, 1944, 1948-1949, 1956, 1961-1962, 1965, 1970, 1974)]

April 25  (England)
  • Members Program from the Annual Meeting of the National Academy of Sciences. [Filed under LP Science: National Academy of Sciences, 1945-1951: Box #14.019 Folder #19.2]
  • Preliminary Edition of the Program of the Annual Meeting of the National Academy of Sciences. [Filed under LP Science: National Academy of Sciences, 1945-1951: Box #14.019 Folder #19.2]

April 26  (England)

April 27  (England)
  • Letter from Dr. John C. McGowan, I.C.I. Butterwick Research Laboratories, RE: Sends reprints and discusses LP's section on dissociation constants in “General Chemistry.” [Letter from LP to McGowan May 3, 1948] [Filed under LP Correspondence: Box #255.15, file:(M: Correspondence, 1948)]
  • Letter from Frederick D. Rossini, Chairman NRC Committee on Physical Chemistry to LP RE: LP as been placed on the Subcommittee on Fundamental Constants instead of the Subcommittee on Physico-chemical Symbols and Terminology. [Filed under LP Science: National Research Council, 1925-1950: Box #14.027 Folder #27.4]
  • Letter from LP to Dr. C.B. Hey RE: Replies that he will be happy to see Hey while in Manchester to discuss punched-card calculations. States that Hey's letter was not entirely clear about the proposed manuscript on the subject. [Note from Hey to LP April 20, 1948, Letters from Low to LP April 22, 1948, from Hey to LP May 3, 1948] [Filed under LP Correspondence: Box #165.13, file:(H: Correspondence, 1948)]
  • Letter from LP to Dr. E.G.V. Percival RE: Thanking Percival for his kindness in arranging their visit to Edinburgh. Informs Percival of his traveling expense. [Filed under: LP Speeches, 1948s.28]
  • Letter from LP to Dr. Robert Corey RE: Requests that Miss Kates make some drawings for a paper to be published in a French periodical. Approves of Corey's decisions concerning the protein research and discusses his current research dilemmas. [Notes from Corey to LP April 13, 1948, June 3, 1948] [Filed under LP Correspondence: Box #67.6 file:(Corey, Robert B., 1937, 1943, 1947-1952, 1954-1957, 1960, 1965, 1967-1968, 1971)]
  • Letter from LP to Dr. Robert S. Corey RE: LP writes that he will need some drawings to accompany a paper which will be published in a French periodical. Asks that Miss Kates make the following drawings and that they be sent to Oxford upon their completion. [Filed under: LP Speeches, 1948s.27]
  • Letter from LP to Frank Aydelotte RE: Replies that the Merton street flat is moderately satisfactory, giving details of the place. While larger than the current flat it has the disadvantage of being on the second floor with the only entrance via a servants' staircase. Also mentions that the place does not seem adequate to entertaining. [Letter from Roth to Aydelotte April 20, 1948] [Filed under LP Correspondence: Box #6.21, file:(Aydelotte, Frank, 1940-1956) and copy in #299.8 (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948)]
  • Letter from Priscilla Roth, Secretary to LP, to Beatrice Wulf, Secretary to LP at Caltech RE: Asks for a contribution number for LP's paper “The Nature of Forces between Large Molecules of Biological Interest,” and says it is to be published in “Nature.” [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Professor Vincenzo Caglioti, Instituto Chemico, Della Universita di Roma to LP RE: Regrets that LP cannot come to Italy during his trip in Europe, says it was not possible to get him an invitation sooner because their cultural institutes have just recovered their normal working settlement, hopes he will spend some days in Italy before going back to America, and asks that he arrange to accept their invitation to come next year. [Letter from LP to Caglioti March 19, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from Rodney J. Pence to Head of Chemistry Dept. Caltech, RE: Requests that his application for chemistry lab assistant be considered describes his relevant education and experience. Lists three references. Handwritten at bottom: “Rodney J. Pence / 125-E Austin / Nacogdoches, Texas.” [Letter from Executive Secretary to Rodney J. Pence May 5, 1948] [Filed under LP Correspondence: #312.13]
  • Letter from The Madeleine M. Low Fund, Inc. to Emergency Committee of Atomic Scientists. Encloses a donation at the suggestions of Madeleine M. Low. [Letter from Emergency Committee of Atomic Scientists to Low, April 19, 1948, Letter from Ray to Low, April 28, 1948]. LP Peace: Box 3.005, Folder 5.3
  • Manuscript: Intermolecular Forces and Biological Specificity, Oxford Lectures, Lecture 1, England. [Filed under: LP Speeches, 1948s.32]

April 28  (England)
  • Letter from Beatrice Wulf to Dr. Junius Edwards, Aluminum Research Laboratory, RE: Wulf is forwarding Edwards' letter to LP in Oxford, and says she is sure he will write Edwards about the various matters he has brought up. [Filed under LP Manuscripts of Books, 1947b5.3]
  • Letter from D.H. Killeffer to LP RE: Requests LP read and comment on his manuscript on the chemistry of molybdenum, which has been accepted in advance by Dr. Hamor for the ACS monograph series. [Letters from Wulf to Killeffer April 14, 1948, from LP to Killeffer June 2, 1948] [Filed under LP Correspondence: Box #200.13, file:(K: Correspondence, 1948)]
  • Letter from Dr. C. K. Allen, Oxford to LP RE: Says he would be grateful for any advice LP can give a South African Rhodes Scholar by the name of A. M. Stephen, gives high praise of Stephen from Sir Robert Robinson, tells how he wishes to study in the U.S. and how he recommended LP as an advisor to him, and asks that LP give him an appointment for help if Stephen asks. [Letter from LP to Allen May 3, 1948] [Filed under LP Correspondence: 378.2]
  • Letter from Dr. Neil E. Gordon, Department of Chemistry, Wayne University, to LP RE: Renews their invitation that LP come and speak a th the annual Chemical Forum at Wayne. Notes that the lectures will be published in the Record of Chemical Progress. Includes a list of dates and speakers, as well as further administrative information. Lists LP as speaking on October 18. [Letter from Wulf to Gordon May 5, 1948] [Filed under LP Correspondence: Box #140.12, file:(G: Correspondence, 1948)]
  • Letter from Geoggrey Norcross to LP RE: Encloses Postal Orders. [Filed under: LP Speeches, 1948s.29]
  • Letter from Mary E. Ray, Secretary, Emergency Committee of Atomic Scientists, to Benjamin Liebowitz. Thanks him for fulfilling his pledge donation, which will be added to the fund for The Bulletin of the Atomic Scientists. [Letter from Ray to Liebowitz, June 20, 1946]. LP Peace: Box 3.005, Folder 5.3
  • Letter from Walter J. Murphy, Editor, to Mr. Harold R. Rafton. RE: Suggests that he write directly to the Archbishop and ask his opinion. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.4]
  • List of mail forwarded from Caltech by Beatrice Wulf to Priscilla Roth at Balliol College. [Carbon sent back from Roth to Wulf May 5, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Minutes of the meeting of the Standing Committee on Meetings. [Filed under LP Science: National Academy of Sciences, 1945-1951: Box #14.019 Folder #19.2]

April 29  (England)
  • Letter from Dr. H. Gunfreund, Department of Colloid Science, University of Cambridge to LP RE: Reminds him where they met and about their correspondence on the energies of reversible dissociation reactions of proteins, and asks if he could see him on one of his visits to Cambridge if he is not too busy. [Letter from LP to Gutfreund May 3, 1948] [Filed under LP Correspondence: (Oxford University, [re: Eastman professorship and residency in Oxford] 1946-1948), #299.8]
  • Letter from LP to Professor Rene Wurmser RE: LP encloses the manuscript of his talk with the necessary changes made before its publication. Goes on to explain that the six figures, mentioned in text, are now being drawn and should be ready in a few weeks. [Filed under: LP Speeches, 1948s.27]
  • Letter from Neal Snyder, The Snyder Mines Incorporated to LP RE: Tells him about a large deposit of thallium they have found, says the refinement of its fumes have been unsatisfactory, asks if he could list a bibliography on thallium as their chemical reference books are inconclusive, and says they would be glad to ship him a fifty pound sample for experiments. [Letter from Kirkwood to Snyder May 6, 1948] [Filed under LP Correspondence: (S: Correspondence, 1948), #378.2]
  • Letter from Ralph E. Cleland, Indiana University, to Dr. F. E. Wright, Home Secretary. RE: Gives suggestions in regard to the meetings of the Academy.

April 30  (England)
  • Letter [in French] from Robert Bienaime, Société de Chimie Industrielle to LP RE: Invites LP to the Congrès de Chimie Industrielle as he has always shown interest in their proceedings, asks that he let them know if he and a group are coming, and gives him materials about the Congrès as well as an article titled “Méthodes de Mesures qui Garantissent L'Homogénéité des Données Physico-chimiques.” (Article before letter) (RSVP card and letter about the Congrès de Chimie Industrielle after letter) [Letter from LP to Lacey May 27, 1948] [Filed under LP Correspondence: Box #212.1, file:(Lacey, William N.) and LP Correspondence: 378.2 (S: Correspondence, 1948)]
  • Letter from Alfred N. Richards, President, to Honorable J. Parnell Thomas, House of Representatives. RE: Encloses a copy of a press release related to the investigations of Dr. Condon. [Filed under LP Science: National Academy of Sciences, 1945-1951: Box #14.019 Folder #19.2]
  • Letter from Beatrice Wulf, Executive Secretary of the Department of Chemistry, Caltech to Dr. J.F. Westerkamp RE: Replies that LP is in England until late summer and she is sending on to LP Westerkamp's kind invitation to spend some months at the University of Buenos Aires, which she is sure he will write to Westerkamp about soon. [Letter from Westerkamp to LP April 11, 1948] [Filed under LP Correspondence: 443.16]
  • Letter from Executive Secretary to Dr. Fred Hope. RE: Informs him of LP's whereabouts, and when he plans on returning to the states. Informs him that his letter has been forwarded. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.4]
  • Letter from R.F. Hunter, Bakelite Limited, to LP RE: Discusses his work with dihydroxydiphenylmethane isomers and construction of molecular models. Asks LP's opinions on their efforts. Asks to speak with LP while he is in Manchester. [Letter from LP to Hunter May 3, 1948] [Filed under LP Correspondence: Box #165.13, file:(H: Correspondence, 1948)]
  • Manuscript: Interaction of Two 3-Dimensional Harmonic Oscillators — to Get a Better Understanding of London's Theory, Oxford Lectures, Lecture 2, England. [Filed under: LP Speeches, 1948s.34]
  • Payroll stub from California Institute of Technology (period ending Apr 30 ‘48) for $691.26 [LP Biographical: Business and Financial 4.068, folder 68.2]
  • Photostatic negative of a Assay Certificate for M. L. Shelton, signed by F. B. Greusel. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1938-1950: Box #14.008 Folder #8.12]
  • Writes cheque to "Polytechnic Elementary School," $25.00. [Filed under LP Biographical: Business and Finance, Box 4.018, Folder 18.3]