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April
  • Article: “First Year Chemistry — A Problem”, SCALACS, April 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.56]
  • Article: “San Gorgonio Section ACS”, SCALACS, April 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.56]
  • Bill for toll service and telegrams from April 17th - May 7th for $12.24. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from Troy Service Laundry and Dry Cleaning for April-May for $19.05. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from Troy Service Laundry and Dry Cleaning to LP for $15.69. [Filed under LP Biographical: Business and Financial: (Assorted Bill, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from the Adohr Milk Farms, Inc. to LP for $25.42. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from the Apothecary Shop of the Thatcher Medical Building to LP for $50.30. Attached are a series of Bills from April. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Letter from David R. Idler, to LP RE: Asks for clarification for a problem from The Nature of the Chemical Bond. [Letter from LP to Idler April 12, 1960] [Filed under LP Correspondence: ( I: Correspondence, 1950) #185.11]
  • Manuscript, Correspondence: No Title, [re: loyalty oaths requirements by the University of California system] April 1950. [Filed under LP Manuscripts of Articles: 1950a.3]
  • Manuscript, Notes: No Title, [re: conviction of Harry Bridges for criminal fraud and conspiracy] April 1950. [Filed under LP Manuscripts of Articles: 1950a.2]
  • Series of receipts from Manor Market enclosed in notes by AHP about her purchases from the market and bakery during April. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Sickle cell anemia hemoglobin. Science 111 (April 1950): 459. [Linus Pauling, Harvey A. Itano, Ibert C. Wells, Walter A. Schroeder, Lois M. Kay, S. J. Singer, and R. B. Corey] [Filed under LP Publications: 1950p.11]
  • Typescript: Report to Climax Molybdenum Company, April 1950. [Filed under LP Manuscripts of Articles: 1950a.1]

April 1  (New York, NY)
  • Bill from Arthur Heimann and Sons for $27.83. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Letter from Earl Hoerger, Department of Chemistry, University of California, Berkeley, to LP RE: Applies to complete his post-doctorate research at Caltech. Discusses his research experience and future plans. [Letter from LP to Hoerger April 10, 1950] [Filed under LP Correspondence: (H: Correspondence, 1950), #166.1]
  • Statement from LP to Mira Loma Mutual Water Co. RE: Provides them with the water meter readings for his property, corresponding to a balance of $2.33. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

April 2  (Dallas, TX)
  • Newspaper Clipping: “Chemical Society to Meet Thursday”, Mobile (Alabama) Press-Register, April 2, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.54]
  • Newspaper Clipping: “Pauling will Speak to Chemical Society”, Shreveport (Louisiana) Times, April 2, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.54]

April 3  (Dallas, TX)

April 4  (Shreveport, LA)
  • Letter from A.W. Trueman to LP RE: Thanks him for his previous letter. Regrets that LP will not be able to attend Fredericton this spring. Will continue with LP’s suggestion to give him a honorary LL.D. and that he hopes to see him sometime in the future. [Filed under LP Honors and Awards: 1950h.3]
  • Letter from Chauncey D. Leake to LP RE: Regrets that he will not be there when LP visits the University of Texas. Asks for LP’s comments and suggestions regarding the program. (“Chemistry in the Twentieth Century,” by LP continued on the back of this letter from letter of April 3, 1950) [Filed under LP Manuscripts of Articles #1950a.7]
  • Letter from Dr. Emil Ott to Committee on Financing ACS Publications RE: Discusses the results of a survey done on the use of Chemical Abstracts as well as what decisions should be made based on those results. [Filed under LP Science: (American Chemical Society: Materials re: Committees and Awards, 1944-1949), Box #14.009, Folder #9.4]
  • Letter from Executive Secretary, Gates and Crellin Laboratories, to Marks Neidle, President, City College Chemistry Alumni RE: Informs him of LP’s desire to republish his talk, “Sickle Cell Anemia,” with the College of Medical Evangelists. Asks him to write directly to Dr. Couperus regarding permission to do so. Encloses the address and a copy of a letter to Mr. Brescis. [Filed under LP Speeches: 1950s.10]
  • Letter from LP to Anna H. Koffler, Instructor in Biological Sciences, University of Kansas City, RE: States that he is away from Pasadena so he is unaware of the availability of the compounds that she requested, but that he is pretty sure that the lab does not have them. Forwards her letter to Dan H. Campbell to be answered in more detail. On the backside of the letter, there is a note to Dan Campbell regarding to Koffler’s request. [Letter from Koffler to LP February 15, 1950, Letter from Campbell to Koffler April 6, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
  • Letter from LP to Kenneth Browne RE: Encloses a reprint of LP’s Carnegie Hall address. Apologizes that he cannot enclose an autographed photo at this time because he is away from Pasadena. States that he will send a photo upon his return home. [Note from Browne to LP February 16, 1950, Letter from Browne to LP April 23, 1950] [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]
  • Letter from LP to R. C. Symonds, Secretary, Committee for Commonwealth University Exchange, RE: Answers Symond’s request for information about Dr. R. P. Mitra, who has applied for a travel grant. LP gives a good reference, stating that Mitra’s work is generally good and they would benefit by employing him. [Letter from Symonds to LP December 9, 1949, Letter from Law to LP April 14, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
  • Newspaper Clipping: “Chemical Society to Hear Dr. Pauling”, New Orleans (Louisiana) Times-Picayune, April 4, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55]

April 6  (Mobile, AL)
  • Letter from Dan H. Campbell, Gates and Crellin Laboratories, Caltech, to Anna H. Koffler, Instructor in Biological Sciences, University of Kansas City, RE: Sends her some samples of antigens. [Letter from LP to Koffler April 4, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
  • Newspaper Clipping: “Amer. Chemical Society President to Speak at Tulane April 10th, Baton Rouge (Louisiana) Advocate, April 6, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.54]
  • Newspaper Clipping: “American Chemical Society president...”, New Orleans (Louisiana) Times-Picayune, April 6, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55] and [Filed under LP Newspaper Clippings: 1950n.4]
  • Newspaper Clipping: “Dr. Linus Pauling”, Mobile (Alabama) Press, April 6, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55]
  • Newspaper Clipping: “Dr. Linus Pauling”, Publication Unknown, (Mobile, Alabama) April 6, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55]

April 7
  • Article: “Serological Relationships between Nucleus, Cytoplasm, and Cytoplasmic Products and the Concept of Complementary Molecules” by A. Mandel Schechtman and Toshiko Nishihara. Printed in Science. [Filed under LP Science: (Research on Biological Specificity, 1973-1996), Box #8.002, Folder #2.6]
  • Letter from Ben May to LP RE: Sends his rough draft and asks for LP’s comments and corrections. States that some senators and congressman are interested in his speech and would like to use it in argument with other members of congress in an effort to persuade them to increase the governmental grants for medical research work. [Letter from May to LP April 10, 1950] [Filed under LP Correspondence: (May, Ben), #244.5]
  • Letter from Dr. H. D. Wilde, Hubel Oil & Refining Company, to LP RE: Invites him to give a series of lectures for the Company regarding the chemical bond. Provides additional information concerning the lecture series. [Letter from LP to Wilde May 15, 1950] [Filed under LP Speeches: 1950s.19]
  • Letter from Dr. L.W. Butz, Head, Chemistry Branch, Office of Naval Research to Dr. George E. Kimball, Department of Chemistry, Columbia University, cc: LP, RE: Invites him to join the committee that is going to review the research program as it concerns chemistry and chemical engineering. Explains that there will be seven members besides LP, who is the Chair, and four of those will represent the four panels of the chemistry division. [Letter from Butz to LP March 13, 1950, Letter from Butz to du Vigneaud April 26, 1950] [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.3]
  • Letter from Dr. Willard Uphaus, Executive Director, Committee for Peaceful Alternatives, to LP RE: Discusses the need to carry out positive plans for peace and states that they accept their responsibility to petition and influence their representatives in Washington and the U.N. to initiate the proposals that will eliminate the possibility of atomic war. Discusses their hope to bring together all groups of people in a study and planning session at the Mid-Century Conference for Peace. Asks LP to be one of the participants at the Conference and states that he will convince his organization to participate as well. Encloses a registration form. [Filed under LP Peace: (Assorted Peace Groups. (Co-Ev)), Box #4.011, Folder #11.1]
  • Letter from E.C. Kleiderer, Executive Director, Research and Control, Lilly Research Laboratories, to LP RE: Asks him to obtain some information on university grants in the department of chemistry, including the amount and identification of the major contributor. There are LP’s handwritten notes at the bottom of the letter: “I’m sending a copy of pres DB’s report for 48, 49 which lists grants to Chem. & ann’l rec’d for that yr. These are: ... ... [omit ). The report does not break down gov. contracts by departments. [Letters from LP to Kleiderer March 8, 1950 and March 23, 1950] [Filed under LP Correspondence: (Eli Lilly and Company), #111.4]
  • Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to Dr. Richard W, Lippman, Institute for Medical Research, Cedars of Lebanon Hospital RE: Answers his questions about his fellowship, mainly regarding the financial aspects of the award. Handwritten note in top margin: “Air Mail to Dr. Linus Pauling.” [Letter from Moe to LP March 31, 1950] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
  • Letter from Kenneth S. Cole, Naval Medical Research Institute, National Naval Medical Center, to LP RE: Asks if LP could visit the Naval Medical Research Institute when he next visits Washington D.C. [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
  • Letter from W. H. Freeman to S. Young Tyree, Jr., Department of Chemistry, University of North Carolina, cc. LP, Schaefer, Behnke, RE: States that they are not going to suggest further consideration of Tyree’s manuscript on inorganic chemistry. [Filed under LP Correspondence: (W. H. Freeman and Company, 1950), #439.8]
  • Newspaper Clipping: “Scientist Visiting in Mobile Reveals Possible Devastation in H-Bomb Use”, Mobile (Alabama) Register, April 7, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.56]

April 9  (Philadelphia, PA)
  • Letter from Dr. Beadle to Dr. Terry RE: Informs him of the hypothesis for sickle cell anemia. Says that a compound microscope is necessary for blood examinations. [Note from Terry to Beadle April 9, 1950] [Filed under LP Correspondence: (T: Correspondence, 1950), #410.15]
  • Letter from Giorgio Peyronel to LP RE: States that he previously wrote LP and asks him to send copies of the article, “The use of punched cards in Molecular Structure Determinations” Suppl. III, as well as Suppl. I et Suppl. II from the Journal of Chemical Physics 14 (1946) 648-664. [Filed under LP Correspondence: (P: Correspondence, 1950), #312.5]
  • Newspaper Clipping: “California Educator to Address Chemical Meet in Lake Charles”, Beaumont (Texas) Enterprise, April 9, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55]
  • Note from Dr. Terry to Dr. Beadle RE: Expresses his interest in wanting to be a part of the study of sickle cell anemia and inquires what LP knows of the disease. [Letter from Beadle to Terry April 9, 1950] [Filed under LP Correspondence: (T: Correspondence, 1950), #410.15]

April 10  (New Orleans, LA)
  • California Individual Tax Return for LP. [Filed under LP Biographical: (Business and Financial: Tax Documents, 1930-1956), Box #4.001, Folder #1.5]
  • Check from AHP to Mira Loma Mutual Water Company for $5.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Check from LP to Hotel Jung for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Letter from Ben May to LP RE: Thanks LP for editing his talk. Discusses penicillin. [Letter from May to LP April 7, 1950] [Filed under LP Correspondence: (May, Ben), #244.5]
  • Letter from Henry Allen Moe to Dr. Arthur W. Galston, Kerckhoff Laboratories, CIT, RE: Informs him that they have added $750 to his Fellowship stipend for making possible his plans to carry on a year of research in Europe. Asks Galston to let him know when he has obtained his passport and visas and they will then arrange for the payment of the balance of his stipend. [Filed under LP Biographical: Academia: (CIT: Materials re: Teaching and Advising of Graduate Students by Linus Pauling, 1935-1963.), Box #1.017, Folder #17.3]
  • Letter from LP to Dr. Michael Somogyi RE: Sends him a copy of his letter to Dr. Howard F. Root, President of the American Diabetes Association, and asks for his comments. [Letter from Root to LP March 27, 1950, Letter from Somogyi to LP May 10, 1950] [Filed under LP Science: (American Chemical Society: Correspondence: 1949-1950), Box #14.005, Folder #5.3]
  • Letter from LP to Earl Hoerger, Department of Chemistry, University of California, Berkeley, RE: Recommends that Hoerger not apply for a post-doctorate fellowship at Caltech because they have all been allocated for the coming year. States that he is unsure if there are any open assistantships but that he will let Hoerger know if one becomes available. Tells Hoerger that he has good research ideas and mentions a few people at Caltech who are interested in similar subjects. States that he is glad that Hoerger has decided that he prefers academic research in chemistry. Handwritten notes concerning assistantships in the top right corner. [Letter from Hoerger to LP April 1, 1950] [Filed under LP Correspondence: (H: Correspondence, 1950), #166.1]
  • Newspaper Clipping: ‘Test Tube Antibodies Developed’. [Filed under LP Newspaper Clippings: 1950n.5]
  • Newspaper Clipping: “Dr. Pauling to Speak”, New Orleans (Louisiana) States, April 10, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55]
  • Note from Noel S. Bayliss, International House, University of California at Berkeley, to LP RE: Thanks LP for his letter and the helpful comments that it contained. Tells LP that he has written the Australian committee about this matter. States that he hopes that LP will be able to visit Australia in the future. [Letter from LP to Bayliss, March 28, 1950] [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]

April 11  (Lake Charles, LA)
  • Letter from Colston E. Warne, Chairman of Professions, National Council of the Arts, Sciences, and Professions, to LP RE: States that Dr. Shapely will be pleased that LP has written a tribute for inclusion in the book. [Letter from Warne to LP March 30, 1950, Letter from LP to Warne April 3, 1950] [Filed under LP Peace: (Assorted Peace Groups) Box # 4.013 Folder #13.4]
  • Letter from George Rieveschl, Jr., Director of Chemical Research, Parke, Davis & Company, to LP RE: Informs him that Parke, Davis and Company would no longer support their project on Chloromycetin. Offers his support in other resources if needed. [Letter from LP to Rieveschl March 23, 1950] [Filed under LP Correspondence: (Parke, Davis and Company), #310.2]
  • Letter from Helen Heffernan, Division of Instruction - Elementary Education, Department of Education, State of California, to LP RE: States that she is delighted that LP accepted the invitation to give an address at the Annual Conference of Supervisors and Directors of Instruction and Child Welfare in San Diego on October 8, 1950. Tells LP that he will receive an official confirmation of this engagement from Mrs. Howardine Hoffman, President of the California School Supervisors Association. States that it is very generous for LP to speak before their group for such a modest honorarium. [Letter from LP to Heffernan March 28, 1950, Letter from Hoffman to LP April 18, 1950] [Filed under LP Speeches: 1950s.21]
  • Letter from Louis McCabe, Chairman, Interdepartmental Committee on Air Pollution, U.S. Department of the Interior, to LP RE: Invites LP to participate in panel discussions on air pollution for the first United States Technical Conference on Air Pollution. Encloses information about hotel accommodations, a program, and a letter from President Truman. [Filed under LP Correspondence: (Stanford Research Institute), #376.7]
  • Letter from M. A. Peacock, Department of Geological Sciences, University of Toronto, to LP RE: Thanks LP for looking into the structure which they determined for Ni3PB2S2 and sending the information about the bonding. States that it may be possible for him to visit California in August and mentions that it would be a pleasure to meet with LP. [Letter from LP to Peacock June 9, 1950] [Filed under LP Correspondence: (P: Correspondence, 1950), #312.15]
  • Newspaper Article: ‘Science Seeking Clues on Dosage’ [Filed under LP Newspaper Clippings: 1950n.6]

April 12  (Beaumont, TX)

April 13  (College Station, TX)
  • Bill for laboratory tests done by R. I. Boyd on Crellin Pauling for $6.00. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Check from AHP to Mrs. Robert Smith for $50.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Newspaper Clipping: “Pauling Speaks for Joint ACS, Sigma Xi Meet”, Texas A&M College (College Station) Battalion, April 13, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.55]
  • Telegram from Ruth Bleier, Secretary, Maryland Committee for Peace, to LP RE: Provides an explanation about their committee and its activities. Asks LP to write a 10-minute talk on peace to be read on the radio. Handwritten note: “Write statement on peace.” [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]

April 14  (Austin, TX)
  • Article: “Encouragement of Science”, Robert Oppenheimer, Science, April 14, 1950. [Filed under LP Peace: (Assorted Non-Pauling Peace Materials: Articles, Typescripts, Pamphlets, Booklets (Sc-Zi)), Box #8.006, Folder #6.5]
  • Bill from the Southern Counties Gas Company of California to LP for $1.08. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Check from LP to College Station State Bank for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Letter from Ms. D. Law, Committee for Commonwealth University Interchange, to LP RE: Thanks him for the recommendation of Dr. Mitra. States that it did not arrive in time for the committee to see it, but that he was still recommended for an award. [Letter from LP to Symonds April 4, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
  • Letter from W. H. Freeman to LP RE: Asks for LP’s thoughts and criticism of Axel Olson’s manuscript on chemical kinetics. [Letter from LP to Freeman May 15, 1950] [Filed under LP Correspondence: (W. H. Freeman and Company, 1950), #439.8]
  • Letter from Wm. N. Lacey to LP RE: Informs LP that Dr. Sage is planning to return to a full-time basis at CIT after the fall of the next year as soon as he can accomplish the severance from his Navy work. Tells LP that this will affect the budget considerations that are now pending. Proposes a $1,000 salary increase for Sage at the time that he returns to a full-time basis. [Filed under LP Biographical: Academia: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1946-1956.), Box #1.020, Folder #20.5]
  • Note from C. W. Watson to LP RE: Discusses some speeches that he has prepared. Expresses his appreciation of LP’s address and states that it was very “stimulating.” [Filed under LP Correspondence: (W: Correspondence, 1950), #443.18]
  • Note from Michael Shostak to LP RE: At the end of the letter, includes a problem from General Chemistry which no one can solve correctly and obtain the given answer. Asks LP to give an explanation of the theory and assumptions involved. Handwritten note: “Ans. wrong. 330/4.” [Letter from LP to Shostak May 15, 1950] [Filed under LP Books: 1947b6.2]

April 15  (Austin, TX)
  • Article: “AEC’s cold war against the scientists”, America, April 15, 1950. [Filed under LP Peace: (United States Atomic Energy Commission, 1946-1964), Box #3.019, Folder #19.2]
  • Bill from the Polytechnic Elementary School for Crellin Pauling to LP for $280.85. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Check from LP to Franchise Tax Board for $390. 34. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Letter from Dr. L. T. Coggeshall, Dean, University of Chicago, to LP RE: Invites LP to give a talk at the Scientific Session of the dedication of a new cancer research hospital at the University of Chicago. [Letter from LP to Coggeshall May 26, 1950] [Filed under LP Speeches: 1950s.16]
  • Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to LP RE: Requests to know his opinion on inviting Dr. John T. Edsall to join the Advisory Board. [Letter from LP to Moe May 15, 1950] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
  • Letter from Madison L. Marshall to LP RE: Thanks him for his appearance at the national meeting of the Dallas-Fort Worth section of American Chemical Society. (“Chemistry in the Twentieth Century by LP continued on the back of this letter from letter of April 4, 1950) [Filed under LP Manuscripts of Articles #1950a.7]

April 16  (Houston, TX)
  • Letter from Alden H. Emery, Executive Secretary, American Chemical Society, to Executive Committee, Board of Directors, RE: Requests their opinion on the fact that the Division of Industrial and Engineering Chemistry has suggested the ACS with Professor McAdams as the representative participate in the 1951 London Conference on Heat Transmission. [Letter from Work to Emery April 25, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]

April 17  (Detroit, MI)

April 18  (Detroit, MI)

April 19  (Philadelphia, PA)
  • Letter from George H. Selkirk, Hematology Laboratory, Children’s Hospital, to LP RE: References LP’s paper on sickle cell anemia and inquires if Mediterranean anemia is in the group of other types of anemia’s which are being studied. [Letter from LP to Selkirk May 22, 1950] [Filed under LP Correspondence: (S: Correspondence, 1950), #378.4]
  • Letter from LP [Signed by Beatrice Wulf] to W. H. Freeman RE: Discusses the index of College Chemistry. [Filed under LP Books: 1950b.2]
  • Letter from LP to Alex Smith, Editor, Humanity, RE: States that he will not return to Pasadena for nearly a month. States that he is pleased to have the March issue of Humanity and that he may be able to prepare a special article for him, after he returns to Pasadena. [Letter from Smith to LP March 8, 1950] [Filed under LP Correspondence: (Eli Lilly and Company), #111.4]
  • Letter from LP to Elliott R. Weyer, Charles Pfizer and Company, Inc., RE: Tells Weyer about Caltech’s investigation of Terramycin. [Letter from LP to Weyer February 16, 1950, Letter from Weyer to LP May 4, 1950] [Filed under LP Correspondence: (Charles Pfizer and Company, Inc., 1950, 1969), #70.1]
  • Letter from Murray Vernon King, Department of Physics, Pennsylvania State College, to LP RE: Concerns the recent dismissal of a professor because he allowed a Negro family to live in his apartment as guests. Asks LP if he could help fight to have Dr. Lorch reinstated. [Letter from LP to Morse May 22, 1950] [Filed under LP Correspondence: (King, M. Vernon), #198.11]
  • Letter from W. A. Wooster to LP RE: Informs him that Ralph Spitzer was arrested on Sept 9by the Dutch police. [Letter from LP to Robison June 8, 1950, Letter from LP to Wooster June 8, 1950] [Filed under LP Correspondence: (Wooster, W. A.), #438.9]
  • Newspaper Clipping: “Hints Epochal Find in Medicine”, Detroit Times, April 19, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.56]

April 20  (Philadelphia, PA)
  • Check from LP to Benjamin Franklin Hotel for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Receipt from the Union Oil Company of California to LP for $30.52. Attached are a series of receipts from February and March. [Filed under LP Biographical: Business and Financial: (Assorted Bill, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

April 21
  • Article: “United Nations Research Laboratories”, Kirtley F. Mather, Science, April 21, 1950. [Filed under LP Peace: (Assorted Non-Pauling Peace Materials: Articles, Typescripts, Pamphlets, Booklets (Sc-Zi)), Box #8.006, Folder #6.5]
  • Bill from the Southern California Edison Company to LP for $27.20. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Program: The American Philosophical Society General Meeting, Philadelphia, April 21, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.58]

April 22
  • Article: “The Question of Plasmagenes” by Jack Schultz. Printed in Science. [Filed under LP Science: (Research on Biological Specificity, 1973-1996), Box #8.002, Folder #2.6]
  • Bill from F.C. Nash & Co. to AHP for $29.44. [Filed under LP Biographical: Business and Financial: (Assorted Bill, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from the Pacific Telephone and Telegraph Company to LP for $18.22. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

April 23
  • Letter from Akira Aoyama to LP RE: Thanks LP for sending him reprints of various articles. [Letters from LP to Aoyama March 29, 1950 and June 7, 1950] [Filed under LP Correspondence: (A: Correspondence, 1950), #12.16]
  • Letter from Frederick D. Rossini, Carnegie Institute of Technology, National Research Council, to Members of the Committee of Physical Chemistry of the National Research Council RE: Encloses a list of “Recommended values of fundamental constants for physical chemistry.” Requests that letter recipients respond with their opinion of the list. [Filed under LP Books 1950b.6]
  • Letter from Kenneth Browne to LP RE: Thanks LP for the reprint of his Carnegie Hall address. Again requests that LP send them an autographed photograph. [Letter from LP to Bronwe April 4, 1950] [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]

April 24  (Washington, D.C.)
  • Letter from Beatrice Wulf, Executive Secretary, Gates and Crellin Laboratories, to Dr. J. M. Scott, Department of Chemistry, Tulane University, RE: Thanks him for his letter and writes that LP and AHP will go to the Jung Hotel when they arrive and will either contact him or Dr. Goldblatt. [Letter from Scott to Wulf March 19, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
  • Letter from Gilbert H. Ayres, Chairman -Elect, American Chemical Soceity, Central Texas Section, to LP RE: Thanks him on the behalf of the Central Texas Section for his appearance to speak on, “The Structure of Antibodies and the Nature of Serological Reactions,” and his departmental seminar on “Valence in Metals and Inter-Metallic Compounds.” [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
  • Letter from J. Kaplan, Institute of Geophysics, UCLA, to LP RE: Requests reprints of LP’s paper with Sheehan which was published in the Proceedings of the National Academy of Science. Presents his own findings in this area and states that they were in agreement with LP’s 7.38 volt value for D(N2). Handwritten note indicates that the reprints were sent to Kaplan. [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
  • Letter from John C. Bailar, Jr., Division of Physical and Inorganic Chemistry, American Chemical Society, to LP RE: States that the ACS will celebrate its 75th birthday at the 1951 Fall meeting. Says that the International Union of Chemistry and the International Congress of Pure and Applied Chemistry will be meeting in this country around the same time. Discusses the Division of Physical and Inorganic Chemistry’s plans to arrange a series of symposia, possibly on “Resonance Theory.” Invites LP to organize the symposium. [Letter from LP to Bailar May 19, 1950] [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]
  • Letter from Marshall Gates, Assistant Editor, Journal of the American Chemical Society, to LP RE: Asks LP to provide his comments on the enclosed manuscript entitled, “Inactivation of Pepsin and Trypsin by Deuteron Bombardment,” by E. Pollard, A. Buzzell, C. Jeffreys, and F. Forro, Jr. [Filed under LP Correspondence: (Journal of the American Chemical Society), #191.1]
  • Letter from Wifredo de Ráfols, Editor of Euclides, to LP RE: Invites LP to have his article, “Sickle Cell Anemia, A Molecular Disease,” which was previously published in Science, published in Euclides. Provides a brief introduction to the journal. [Filed under LP Correspondence: (E: Correspondence, 1950), #112.16]

April 25  (Washington, D.C.)
  • Bill from Bullock’s for $16.20. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from Herbert A. Whipple, D.D.S. to LP for $56.00. Handwritten note indicates that it was paid by AHP. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Bill from the Athenaeum to LP for $11.05. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
  • Check from AHP to Mrs. Robert Smith for $50.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Letter from Beatrice Wulf, Executive Secretary, Gates and Crellin laboratories, to Thomas P. Carney, Head of the Organic Chemical Research Department, Eli Lilly Company, RE: Thanks him for sending the samples. [Letter from Carney to LP April 18, 1950] [Filed under LP Correspondence: (Eli Lilly and Company), #111.4]
  • Letter from Lincoln T. Work, Division of Industrial and Engineering Chemistry, American Chemical Society, to Alden Emery, Executive Secretary, American Chemical Society, RE: Writes that the it has decided to ask W. H. McAdams or Walter Lobo to represent the American Chemical Society at the Heat Transmission conference. [Letter from Work to McAdams April 25, 1950, Letter from Emery to Executive Committee April 27, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
  • Letter from Lincoln T. Work, Division of Industrial and Engineering Chemistry, American Chemical Society, to Professor William H. McAdams, Massachusetts Institute of Technology, RE: Asks if he would be willing to serve as the ACS representative at the international meeting on Heat Transmission. [Letter from Work to Emery April 25, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]

April 26  (Chicago, IL)
  • Check from LP to Hay-Adams House for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
  • Letter from Dr. L.W. Butz, Head, Chemistry Branch, Office of Naval Research to Dr. Vincent du Vigneaud, Department of Biochemistry, Cornell University Medical College, cc: LP, RE: Invites him to be on the committee to review ONR’s research program as it concerns funding proposals for chemistry and chemical engineering research. Explains the goals of the committee and who hopefully will be serving. [Letter from Butz to Kimball April 7, 1950 and May 8, 1950] [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.3]
  • Letter from Evalyn Barrett to LP RE: Asks LP to appeal on his behalf to Dr. Jean Oliver for the publication of his last paper written with Dr. Addis. [Filed under LP Correspondence: (Materials re: Thomas Addis Memorial Committee and Addis Biographical Memoirs research), #2.4]
  • Letter from Frederick L. Stone, Chief, Office of Research Fellowships at Public Health Service, to LP RE: Tells LP that they recently received his recommendation letter on behalf of Dr. Frixos Costa Charalampous. Lists the evaluation categories and states that if LP feels his letter is satisfactory, they do not need any more information from him. [Letter from Stone to Charalampous June 19, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
  • Letter from Frederick L. Stone, National Institutes of Health, to LP RE: Asks for an evaluation of Frixos Charalampous. There is a note in pencil in the upper right margin: “This was nor a letter of recommendation- merely a statement that if awarded a fellowship he [did] work here (unless you wrote another on the trip).” [Filed under LP Correspondence, (C: Correspondence, 1950) #74.18]
  • Letter from Robert Corey to LP RE: Informs him of a possible position for Dr. Donohue at the University of Connecticut. [Filed under LP Correspondence: (Corey, Robert B.) #67.5]

April 27  (Washington, D.C.)

April 28

April 29  (New York, NY)
  • Bill from Jud R. Scholtz, M.D. and Craig Williamson, M.D. to LP for $47.50. Handwritten note indicates that it was paid by AHP. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

April 30  (New York, NY)
  • Letter from David Dealey to LP RE: Inquires about making an appointment with LP for an interview concerning the Maud E. Warwick scholarship. [Letter from Dealey to LP May 18, 1950] [Filed under LP Correspondence: (D: Correspondence, 1950), #98.15]
  • Memo from LP to Fred Ewing RE: Concerns cubic intermetallic compounds with 40 atoms per unit. [Filed under LP Correspondence: (Ewing, Fred), #110.5]