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April
  • Article from the Petroleum Group, 'Petroleum Group to hear Pitzer on Structural Chemistry of Hyrdocarbons.' [Filed under LP Science: American Chemical Society: Correspondence, 1925-1942: Box #14.002 Folder #2.5]
  • General Monthly Report of the Physical-Chemical and Chemical Engineering Problems Summary of Progress from April 15 - May 15, 1942. LP Safe: Drawer 3, Folder 3.021
  • The production of antibodies in vitro. Science 95 (April 1942): 440-441. [Linus Pauling and Dan H. Campbell] [Filed under: LP Publications: 19429.2]

April 1

April 2
  • Letter from Edward Tyler, Harper and Brothers Publishing, to LP . RE: Tyler thanks LP for his letter and is disappointed to learn that completion of the manuscript will be delayed. He hopes that when the time comes to discuss publication, LP will contact Harper and Brothers. [Filed under LP Manuscripts of Books, 1947b5.11]
  • Letter from Helen Grace Carlisle to LP RE: Requests he sign a birthday cable to be sent to Leon Blum, who will turn 70 while imprisoned by the Vichy government in France. [Filed under LP Correspondence: Box #37.9, file:(B: Correspondence, 1942)]
  • Letter from LP to Dr. Ed. F. Degering RE: Thanks him for the invitation but regrets that he will be unable to attend at this time due to health problems. [Letter from Degering to LP March 9, 1942] [Filed under LP Correspondence Box: #98.7, file:(D: Correspondence, 1942)]
  • Letter from LP to Dr. Irvin Stewart, Director, Committee on Scientific Aids to Learning, RE: Thanks Stewart for making the funds available and states he will use those funds for other work along the same lines. [Letter from Irvin Stewart to LP March 25, 1942] [Filed under LP Correspondence: #368.6]
  • Letter from LP to Earl Cohn RE: Informs him that while he is not working on multiple sclerosis, there is much medical research currently being performed on the subject. [Note from Cohn to LP March 23, 1942] [Filed under LP Correspondence: Box #66.10, file:(Cohn, Edwin, J.)]
  • Letter from LP to Joel Hildebrand, Dean, UC Berkeley, RE: Discusses questions concerning polymers in Hildebrand's work with hydrofluoric acid. Mentions he will be visiting Berkeley in a few months. [Letter from Hildebrand to LP April 8, 1942] [Filed under LP Correspondence: Box #159.3, file:(Hildebrand, Joel)]
  • Letter from W. M. Stanley, The Rockefeller Institute for Medical Research to LP RE: Stanley enjoyed LP's talk at the Institute in March and wondered about the possibilities from the standpoint of viruses. He is enclosing a sample of tobacco mosaic virus in case LP is willing to do experimental work with it. He wonders if LP has checked Ostromuislenskii's experiments in relation to immunology work. [LP's reply April 8, 1942] [Filed under LP Science: Rockefeller Foundation, 1936-1946: Box #14.038 Folder #38.10]
  • Record of LP's diet while ill with nephritis. Breakfast: 1 orange, 1/3 c cream, 2 hot cross buns / Lunch: 1 c milk, 3 p toast, 1 egg, 2 T cream, 1 pear / Supper: 4 crepes, 1/3 c cream [Filed under LP Correspondence: Box #3.1, file:(Record of LP's diet while ill with nephritis kept by Ava Helen Pauling, 1941-1942.)]
  • Writes cheque to "Tashiko Aisawa. Frank's March salary Pd in full" $12.50 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Toshiko Aisawa," $12.50. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]

April 3
  • Letter from A.N. Clark, D. Van Nostrand Company, Inc., to LP . RE: The Company is very interested in the mimeographed general chemistry text which LP is using in his classes. They ask that he send a copy for their study, and assure him that they would be pleased to work with him on the matter of publishing the text in book form. [Filed under LP Manuscripts of Books, 1947b5.21]
  • Letter from Dr. Henry P. Treffers, College of Physicians and Surgeons, to LP. RE: Declines LP's offer because of financial and work obligations. [Letter from Treffers to LP March 28, 1942, Letter from LP to Treffers April 8, 1942] [Filed under LP Science: Materials re: Antibody and Antigen Research; the Nature of Serological Reactions, 1940-1947, 1950-1952, 1973, 1986: Box #7.001 Folder #1.1]
  • Letter from LP to Dr. Arthur F. Scott, Acting President, Reed College, RE: States he has written to Mr. David P. Shoemaker and suspects he will accept the position at M.I.T. Discusses the other possibilities of work Shoemaker could have at Cal Tech, and mentions the likelihood that he would soon be transferred to war work and would be deferred. [Letters from Arthur F. Scott to LP March 31, 1942, April 20, 1942] [Filed under LP Correspondence: #363.3]
  • Letter from LP to Mr. Vannevar Bush, Director of the Office of Scientific Research and Development. Accepts appointment as Official Investigator in connection with the contract No. 402 between the Office of Scientific Research at CIT. Returns the two signed copies of the Pledge of Secrecy. LP Safe: Drawer 2, Folder 2.004
  • Letter from William Seifriz, Botanical Laboratory, University of Pennsylvania, to LP RE: Sends a copy of the Monograph on the Structure of Protoplasm and suggests LP read the introduction and page 271. [Letter from LP to Dr. William Seifriz April 13, 1942] [Filed under LP Correspondence: #361.5]
  • Record of LP's diet while ill with nephritis. Breakfast: 1 orange, 1/3 c cream, 1 egg, 2 p toast / Lunch: 5/8 c milk, soup, 1 p toast, 3 prunes / Supper: rice, etc [Filed under LP Correspondence: Box #3.1, file:(Record of LP's diet while ill with nephritis kept by Ava Helen Pauling, 1941-1942.)]

April 4
  • Writes cheque to "Adohr Milk Farms," $38.33. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Adohr Milk Farms. Feb & March" $38.33 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Dr. H.A. Whipple," $6.00. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Dr. HA Whipple. Peter & Daddy" $6.00 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "S. Calif. Edison Co." $20.00 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Southern California Telephone Co.," $12.36. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Union Oil Co" $6.27 [LP Biographical: Business and Financial 4.072, folder 72.4]

April 5
  • Letter from JHS to LP. RE: Recommends starting the new contract by May 1 or May 15 at the latest. Details allowances that would keep the lab going. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 File 1.1

April 6
  • Letter from Arthur B. Lamb to LP RE: Invites LP to the Associate Editors Dinner to be held at 6:30 April 20 th a the Hotel Peabody to coincide with the Memphis meeting of the ACS. [Letter from LP to Lamb April 14, 1942] [Filed under LP Correspondence: Box #191.1, file:(Journal of the American Chemical Society)]
  • Letter from Arthur M. Walker, Assistant to the Chairman, Committee on Medical Research, to LP. RE: Acknowledges receipt of your proposal for contract dated April 2 nd. Is forwarding it to the National Research Council Committee on Blood Substitutes. [Filed under LP Science: Scientific War Work - Materials re: Oxypolygelatin, 1941-1945, 1951-1952, 1972-1974: Box #13.004 Folder #4.1]
  • Letter from LP to A. Klipstein, American Chemical Company, RE: Thanks him for the exhibit case that they have sent to Cal Tech. [Letter from LP to Klipstein March 3, 1942] [Filed under LP Correspondence: Box #200.7, file:(K: Correspondence, 1942)]
  • Letter from LP to Arthur B. Lamb, Editor, JACS, RE: Comments on and recommends for publication the paper by French, Magee and Sheffield. [Filed under LP Correspondence: Box #191.1, file:(Journal of the American Chemical Society)]
  • Letter from LP to Arthur B. Lamb, Editor, JACS, RE: Sends comments on and recommends for publication the Note by Bredig entitled "The Crystal Structure of Calcium Cyanamid." [Filed under LP Correspondence: Box #191.1, file:(Journal of the American Chemical Society)]
  • Letter from LP to E.P. Hamilton, John Wiley and Sons, Inc., RE: LP has had to change his original plan for publishing his chemistry text. Due to his increased involvement in war research, he no longer has the time to devote to the development of his manuscript, and so he has decided to put off all decisions regarding publishing until he has more time for the project. [Filed under LP Manuscripts of Books, 1947b5.22]
  • Letter from LP to James S. Thompson, McGraw-Hill Book Company, RE: LP has had to change his original plan for publishing his chemistry text. Due to his increased involvement in war research, he no longer has the time to devote to the development of his manuscript, and so he has decided to put off all decisions regarding publishing until he has more time for the project. [Filed under LP Manuscripts of Books, 1947b5.15]
  • Letter from Louis Rapkine, French Scholars' Fund, to LP RE: Explains Mrs. Grace Carlisle's idea to have American scientists cable Leon Blum in prison on his birthday. Asks LP to join the list of scientists. [Filed under LP Correspondence: #340.7]
  • Letter from Orville J. Sweeting to LP RE: Thanks LP for the offer, but states he has just accepted an offer to ben an organic chemistry instructor at Cornell. [Letter from LP to Mr. Orville J. Sweeting April 13, 1942] [Filed under LP Correspondence: (S: Correspondence, 1942), #377.12]
  • Writes cheque to "Athenaeum," $13.39. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Athenaeum. Feb. & Mar" $13.39 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Model Grocery Co.," $3.40. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Model" $3.40 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Poly - Linda's tuition" $72.00 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Polychrome Elementary School," $72.00. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "S. Calif. Tel. Co. Fed & Mar to Mar" $12.36 [LP Biographical: Business and Financial 4.072, folder 72.4]
  • Writes cheque to "Union Oil Co. of Calif." $6.27. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]

April 7
  • Letter from Dr. Harrison E. Howe, Editor, ACS Monographs to Board of Editors [LP] RE: Requests opinions on the advisability of finding someone to write a manuscript on the chemistry of photography, and suggestions for who should be charged with the task. [Letter from LP to Howe April 14, 1942] [Filed under LP Correspondence: Box #162.11, file:(Howe, Harrison)]
  • Letter from Frank Blair Hanson, The Rockefeller Foundation to LP RE: Acknowledging LP's letter of March 25, 1942 and requesting that LP include note of approval from Millikan to accompany his request. which will be presented at the next Trustee meeting in May. [LP's letter March 25, 1942] [Filed under LP Science: Rockefeller Foundation, 1936-1946: Box #14.038 Folder #38.12]
  • Letter from J. H. Saylor, Dept. of Chemistry, Duke University, to LP RE: Asks for an estimate for the cost of the aluminum trimethyl. Mentions seeing Gordy and discusses a project he is working on. Requests a copy of "General Chemistry." Handwritten in the lower left margin is a short math equation. [Letter from LP to Dr. J. H. Saylor April 15, 1942] [Filed under LP Correspondence: (S: Correspondence, 1942), #377.12]
  • Letter from LP to C.L. Skelley, Macmillan Company, RE: LP regrets to say that his plans regarding publishing his chemistry text have changed. He is more involved in war research than formerly, and simply doesn't have the time to devote to his manuscript. He has decided not to make any commitments at this time. [Filed under LP Manuscripts of Books, 1947b5.14]
  • Letter from LP to C.R. Heck, American Book Company, RE: LP has completed the first 13 chapters of his manuscript, but has found it necessary to change his plans for publishing it. He feels that he won't have enough time to devote to the manuscript and says that he can't make any commitment on it at present. If and when he finishes it, he will then arrange for its publication. [Filed under LP Manuscripts of Books, 1947b5.6]
  • Letter from LP to Laurence Saunders, W.B. Saunders Company, RE: LP has finished the first thirteen chapters of the preliminary edition of his text, but regrets to inform Andrews that his plans regarding publishing the book have changed. Due to his increased involvement in war research, he simply doesn't have the time to devote to his manuscript, and so will be putting off all plans of publication.[Filed under LP Manuscripts of Books, 1947b5.17]
  • Letter from LP to Paul R. Andrews, Prentice-Hall, RE: LP has finished the first thirteen chapters of the preliminary edition of his text, but regrets to inform Andrews that his plans regarding publishing the book have changed. Due to his increased involvement in war research, he simply doesn't have the time to devote to his manuscript, and so will be putting off all plans of publication. [Filed under LP Manuscripts of Books, 1947b5.16]
  • Letter from R. E. Rundle, Dept. of Chemistry, Iowa State College, to LP RE: States he sent a manuscript to Dr. Sturdivant about two weeks ago and hopes Sturdivant just forgot to mention it to LP. Discusses the aluminum trimethyl and starch work. [Letters from LP to Dr. R. E. Rundle April 1, 1942, April 15, 1942] [Filed under LP Correspondence: #336.12]

April 8

April 9

April 10
  • Letter from LP to Dr. G. Schwarzenbach, Chem. Institut d. Universitat, Switzerland, RE: States he has sent a recommendation to Prof. Ruzicka. Describes the states of the laboratory and his health, and discusses the result of Schwarzenbach's. [Letter from Dr. G. Schwarzenbach to LP March 6, 1942, and letter from LP to Prof. Leopold Ruzicka April 10, 1942] [Filed under LP Correspondence: (S: Correspondence, 1942), #377.12]
  • Letter from LP to Dr. Henry F. Helmholz RE: LP thanks Helmholz for his kindness in entertaining both he and AHP during their visit to Rochester. [Filed under: LP Speeches, 1942s.1]
  • Letter from LP to Harry V. Welch, American Chemical Society. RE: Shall not be able to attend the Memphis meeting. Requests that a substitute be found for him. [Filed under LP Science: American Chemical Society: Correspondence, 1925-1942: Box #14.002 Folder #2.5]
  • Letter from LP to Prof. Leopold Ruzicka, Chem. Laboratorium der E. T. H., Universitatsstrasse, Switzerland, RE: Recommends Dr. G. Schwarzenbach to take Prof. Emil Baur's professorship position. Describes Schwarzanbach's strengths, and relevant education and experience. [Letter from LP to Dr. G. Schwarzenbach April 10, 1942] [Filed under LP Correspondence: (S: Correspondence, 1942), #377.12]
  • Letter from LP to T.K. Sherwood, National Defense Research Committee. RE: Informs him that the present contract will be exhausted between May 1 and May 15. Requests that a new contract be granted effective May 1 or May 15. Recommends amounts to cover monthly expenses. Suggests that the total amount of the contract be between $8000 and $12000. [Filed under LP Science: Scientific War Work - Mateirals re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.1]
  • Letter from Raymond J. Woodrow, Technical Aide, Transition Office, Office of Scientific Research and Development to LP. RE: Would like to be informed of the outcome of contacting laboratories about the manufacturing of the Pauling instruments. Mentions an order from the Naval Research Laboratory. [Letter from LP to Woodrow, April 15, 1942] [Filed under LP Science: Scientific War Work - Mateirals re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.2]
  • Letter from V. Bush, Director of the Office of Scientific Research and Development, to LP. Encloses a commission which designates LP as Official Investigator under contract No. 402 between the Office of Scientific Research and Development and CIT. Also encloses a copy of the Pledge of Secrecy signed by LP. LP Safe: Drawer 2, Folder 2.004
  • Writes cheque to "H.H. Herd," $50.00. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "H.L. Byram, County Tax Collector," $192.02. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Jacobson. Heater" $22.87 [LP Biographical: Business and Financial 4.072, folder 72.3]
  • Writes cheque to "Kermit Jacobson," $22.87. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "Loan to Herd. [Added later: "Repaid Ap. 15 th"]" $50.00 [LP Biographical: Business and Financial 4.072, folder 72.3]

April 11
  • Receipt form from sending a classified letter from LP to T. K. Sherwood. [Letter from LP to Sherwood, April 10, 1942] [Filed under LP Science: Scientific War Work - Mateirals re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.1]
  • Receipt from sending a letter from LP to Sherwood. [Filed under LP Science: Scientific War Work - Mateirals re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.1]

April 13
  • Letter from C.R. Heck, American Book Company, to LP . RE: Heck thanks LP for his letter and begs him to keep American Book Company in mind when he decides to publish. [Filed under LP Manuscripts of Books, 1947b5.6]
  • Letter from E.P. Hamilton, John Wiley and Sons, Inc., to LP . RE: Hamilton is sorry to learn of the delay in LP's work, but is glad that LP hasn't completely given up hope of preparing the manuscript. He hopes that when LP finishes, he will remember their interest in it. [Filed under LP Manuscripts of Books, 1947b5.22]
  • Letter from James McMillan, President, Sigma Gamma Nu, Oklahoma City University, to LP RE: Informs LP that they are organizing an honorary chemical fraternity for undergraduate students. Asks if there is anyone at his institution interested in developing the fraternity there. [Letter from LP to McMillan April 18, 1942] [Filed under LP Correspondence: Box #255.9, file:(M: Correspondence, 1942)]
  • Letter from LP to Frank Blair Hanson, The Rockefeller Foundation RE: Notifying Hanson that Millikan is sending a note of approval to him under a separate cover. Inquires if it is time to send in the 1942-43 budget for the Rockefeller sponsored bio-organic chemistry. [Hanson's reply April 16, 1942] [Filed under LP Science: Rockefeller Foundation, 1936-1946: Box #14.038 Folder #38.12]
  • Letter from LP to H.E. Ingle, Iowa State College Press RE: Thank him for the copy of "The Structure of Protoplasm" and comments on the contents. Notes that Ingle may quote the comments in publicity. [Letter from Ingle to LP March 6, 1942] [Field under LP Correspondence: Box #185.5, file:(I: Correspondence, 1941-1942)]
  • Letter from LP to Mr. Orville J. Sweeting RE: Agrees that Sweeting should keep his appointment at Cornell, and hopes Sweeting will come work at Caltech at another time. [Letter from Orville J. Sweeting to LP April 6, 1942] [Filed under LP Correspondence: (S: Correspondence, 1942), #377.12]
  • Letter from LP to Prof. R. A. Millikan, C. I. T. RE: LP requests that Millikan write a note of approval for the application for a grant to the Rockefeller Foundation of an additional $20,000 for immunochemistry work for the coming year. [Millikan's letter to Hanson April 15, 1942] [Filed under LP Science: Rockefeller Foundation, 1936-1946: Box #14.038 Folder #38.12]
  • Letter from LP to Prof. William Seifriz, Botanical Laboratory, University of Pennsylvania, RE: Thanks Seifriz for the book and praises his hard work. [Letter from William Seifriz to LP April 3, 1942] [Filed under LP Correspondence: #361.5]
  • Letter from LP to Professor RA Millikan RE: Requests Millikan send approval to the Rockefeller Foundation of his application for $20,000 additional funding at the request of Warren Weaver. Encloses application and letter from Rockefeller Foundation. [Filed under California Institute of Technology: Materials re: Division of Chemistry and Chemical Engineering, 1933-1963, No Date: Box #1.024, Folder 24.9]
  • Offprint: Memorandum of Agreement for Contract No. OEMsr-326. Outline of the contract between the Office of Scientific Research and Development and CIT. Handwritten note by LP: "NDRC-CHEM-1b." LP Safe: Drawer 2, Folder 2.007

April 14
  • Letter from A.N. Clark, D. Van Nostrand Company, Inc., to LP . RE: Clark thanks LP for his letter outlining the status of his manuscript, and hopes that he will be able to make progress on it in the coming year. He asks if LP might send a copy of the preliminary edition, even though he is not ready to make a commitment. [Filed under LP Manuscripts of Books, 1947b5.21]
  • Letter from G. B. Kistiakowsky, National Defense Research Committee, to LP. RE: Asks if LP would like to come to Bruceton for part of the summer as a general advisor and consultant. Hopes this will be possible. [Filed under LP Science: Assorted LP War Work, 1940-1946: Box #13.006 Folder #6.1]
  • Letter from Kenneth B. Demaree, McGraw-Hill, to LP . RE: Demaree is delighted with the news of LP's progress, and hopes that LP will consider publishing the finished text with McGraw-Hill. [Filed under LP Manuscripts of Books, 1947b5.15]
  • Letter from LP to Arthur B. Lamb, Editor, JACS, RE: Regrets he will be unable to attend the Memphis meeting of the ACS or the Editors Dinner for the JACS. Notes that he will be flying to Washington for the Academy meeting but will not be able to stay for the ACS meeting. [Letter from Lamb to LP April 6, 1942] [Filed under LP Correspondence: Box #191.1, file:(Journal of the American Chemical Society)]
  • Letter from LP to Dr. G. H. A. Clowes, Director, The Lilly Research Laboratories. RE: Declines invitation to visit, as he is busy with research and publishing experiments. [Filed under LP Science: Materials re: Antibody and Antigen Research; the Nature of Serological Reactions, 1940-1947, 1950-1952, 1973, 1986: Box #7.001 Folder #1.1]
  • Letter from LP to Dr. Harrison E. Howe, Editor, ACS Manuscripts, RE: Regrets he has no opinion on the chemistry of photography project or any recommendations for a good author. [Letter from Howe to LP April 7, 1942] [Filed under LP Correspondence: Box #162.11, file:(Howe, Harrison)]
  • Letter from LP to Dr. R. H. Gillette, Department of Chemistry, University of Michigan RE: states he is sorry to learn of Gillette's decision not to accept the fellowship at Caltech. LP had thought that he would be able to accept the equivalent appointment, also thought Gillette might be transferred to war work before the year was over. [Letters from Gillette to LP April 9, 1942, May 4, 1942] [Filed under LP Biographical: Academia: Box 1.017, Folder 17.3]
  • Letter from LP to Jane MacCauley RE: Informs her that while he is not conducting research on the brain, there are many doctors and scientists working on curing brain diseases. [Note from MacCauley to LP March 1, 1942] [Filed under LP Correspondence: Box #255.9, file:(M: Correspondence, 1942)]
  • Letter from T. J. Webb to LP. RE: Inquires after the findings of LP's experiments in vitro production of anti-bodies. [Letter to Webb from LP April 18, 1952] [Filed under LP Science: Materials re: Antibody and Antigen Research; the Nature of Serological Reactions, 1940-1947, 1950-1952, 1973, 1986: Box #7.001 Folder #1.1]
  • Writes cheque "Same LP" [referencing previous entry] $8.72 [LP Biographical: Business and Financial 4.072, folder 72.3]
  • Writes cheque to "State Treasurer," $8.72. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]
  • Writes cheque to "State income tax (total 26117/3) first AHP" $8.72 [LP Biographical: Business and Financial 4.072, folder 72.3]

April 15

April 16
  • Envelope for LP's train ticket to Chicago. LP Safe: Drawer 3, Folder 3.012
  • Letter from Frank Blair Hanson, the Rockefeller Foundation to LP RE: Acknowledging receipt of LP's letter fo April 13, 1942. If additional results on the manufacture of antibodies are available before May 15, 1942, they would be helpful to have for the Trustee meeting in which LP's grant application will be presented. The budget for bio-organic chemistry is due no later than June 1, 1942. Hanson does not believe he will be able to make a trip to California this academic year. [LP's letter April 13, 1942; LP's reply May 9, 1942] [Filed under LP Science: Rockefeller Foundation, 1936-1946: Box #14.038 Folder #38.12]
  • Letter from LP to Bernard Jaffe RE: Sends the requested action photograph of himself. Notes that the only paper he will be publishing soon is summarized by a note in the next issue of Science. [Letter from Jaffe to LP March 11, 1942] [Filed under LP Correspondence: Box #192.9, file:(J: Correspondence, 1942)]
  • Letter from LP to Mr. Ware Cattell, The Scientific Monthly, RE: Regrets that he does not have any suggestions for articles or authors for The Scientific Monthly. [Letter from Ware Cattell to LP April 1, 1942] [Filed under LP Correspondence: (S: Correspondence, 1942), #377.12]

April 17
  • Letter from AHP to Immigration and Naturalization Service, Santa Fe, New Mexico, RE: Informs Immigration and Naturalization Service that Frank Aisama has worked as gardener for two years and has been trusted to be in complete charge during several absences. Also AHP mentions her respect for all the Aisama family. [Filed under AHP Organizational Correspondence: Box #1.008, Folder #8.1]
  • Letter from C.L. Skelley, Macmillan Company, to LP . RE: Skelley acknowledges the delay in LP's manuscript, and says that his company will be happy to see it whenever it is ready. [Filed under LP Manuscripts of Books, 1947b5.14]
  • Letter from Harry Wood, Ginn and Co., to LP . RE: Wood regrets the mistake in the original letter which stated LP's royalty at 15% rather than 20%. He is interested in the new direction of LP's studies, and hopes that when and if he goes back to his manuscript, he will consider Ginn and Co. for publishing. [Filed under LP Manuscripts of Books, 1947b5.10]
  • Letter from L. M. Henderson, Supervisor of Research, Pure Oil Company, to LP. RE: Requests information regarding the oxygen instruments. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.3]
  • Letter from LP to Edwin B. Wilson, Harvard University. RE: Is planning to be at the Academy meeting. Does not favor splitting the chemistry section. [Filed under LP Science: National Academy of Sciences, 1939-1944: Box #14.018 Folder #18.2]
  • Letter from LP to Immigration and Naturalization Service, Santa Fe, New Mexico, RE: Informs Immigration and Naturalization Service of his good opinion of Frank Aisama after his two years of work as gardener. [Filed under AHP Organizational Correspondence: Box # 1.008, Folder 8.1]
  • Notarized Employee Declaration for the United States Government. Signed by LP, Edward C. Barrett, and Ida A. Pitchue. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.2]

April 18
  • Document outlining the minimum standards used as criteria in evaluating chemistry departments. [Filed under LP Science: American Chemical Society: Correspondence, 1943-1948: Box #14.003 Folder #3.1]
  • Letter from LP to Arthur B. Lamb, Editor, JACS, RE: Sends the suggestions of Dr. J. Norton Wilson and himself on the paper "The Stereochemistry of Some Bile Acids" by Halverstadt and Kumler. Recommends the paper for publication. [Page of comments attached] [Filed under LP Correspondence: Box #191.1, file:(Journal of the American Chemical Society)]
  • Letter from LP to James McMillan, President, Sigma Gamma Nu, Oklahoma City University, RE: Replies that Cal Tech is a small school and does not support many honorary fraternities. [Letter from McmIllan to LP April 13, 1942] [Filed under LP Correspondence: Box #255.9, file:(M: Correspondence, 1942)]
  • Letter from LP to M. A. Bantrell RE: Recommends Dr. Richard Bozorth for the executive position with the Filtrol Company. [Filed under LP Correspondence: Box #37.9, file:(B: Correspondence, 1942)]
  • Letter from LP to State Department, Visa Division, Washington DC RE: Informs that LP, at the request of Mr. Ernest Fiblowitz, read six US Patents taken out by Max Landau of Berlin, Germany and judges that he has considerable knowledge of chemistry. [Note February 18, 1942] [Filed under California Institute of Technology: Materials re: Division of Chemistry and Chemical Engineering, 1933-1963, No Date: Box #1.024, Folder 24.9]
  • Letter from LP to T.J. Webb. RE: Responds to Webb's inquiry about his experiments on vitro production of antibodies. [Letter from Webb to LP April 14, 1942] [Filed under LP Science: Materials re: Antibody and Antigen Research; the Nature of Serological Reactions, 1940-1947, 1950-1952, 1973, 1986: Box #7.001 Folder #1.1]
  • Letter from LP to W.C. Fewell, Personnel Officer, National Bureau of Standards, U.S. Department of Commerce, RE: Regrets that they have no one to recommend for the thermochemical research position. [Letter from Fewell to LP March 16, 1942] [Filed under LP Correspondence: Box #128.8, file:(F: Correspondence, 1942)]
  • Notes taken by LP during a phone conversation with M.A. Bantrell RE: Requests a recommendation of a man for an executive position with the Filtrol Company in L.A. [Filed under LP Correspondence: Box #37.9, file:(B: Correspondence, 1942)]

April 19
  • Letter from Kasimir Fajans, Department of Chemistry, University of Michigan, to LP RE: Sends a copy of his paper with Dr. Bauer which he has submitted for publication. Asks LP to look it over, as he has included some of LP's views. [Letter from LP to Fajans April 25, 1942] [Filed under LP Correspondence: Box #117.2, file:(Fajans, Kasimir, 1940, 1942, 1946-1947, 1950)]

April 20
  • Letter from "Will" to LP RE: Requests that LP will fill out a form 42a for Arnold L. Grossberg who is an outstanding applied chemistry senior. Wishes to appoint Grossberg to do some work for him so that he can continue his education during the fifth year. [Filed under California Institute of Technology: Materials re: Division of Chemistry and Chemical Engineering, 1933-1963, No Date: Box #1.024, Folder 24.9]
  • Letter from Arthur F. Scott, Dept. of Chemistry, Reed College, to LP RE: States that Mr. David P. Shoemaker really would like to begin war work at Cal Tech in June, and will therefore not accept the M.I.T. position. Describes the senior theses projects his students will be working on during the summer and asks if LP has any parts of defense research these students could work on. [Letters from LP to Dr. Arthur F. Scott April 3, 1942, April 25, 1942] [Filed under LP Correspondence: #363.3]
  • Letter from C.C. Furnas, Technical Aide, Section B-7, National Defense Research Committee, to LP. RE: Has received a copy of his monthly report. Gives instructions for future reports. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]
  • Letter from Dr. Michael Heidelberger, College of Physicians and Surgeons, Columbia University, to LP RE: States he is glad things are better for Ikeda and regrets that many people will suffer due to the Japanese internment camps. Mentions he described LP's theory in a Janeway lecture. Sends greetings to AHP. (Note in left margin: "File") [Letter from LP to Heidelberger April 8, 1942] [Filed under LP Correspondence: Box #153.3, file:(Heidelberger, Michael)]
  • Letter from John A. Behnke, W.B. Saunders Company, to LP . RE: Behnke is disappointed to learn that LP must delay the completion of his manuscript. He hopes that LP will be in contact again before he makes any definite commitment to a publisher. [Filed under LP Manuscripts of Books, 1947b5.17]
  • Letter from Robert A. Bowman, Jr., Jr., Administrative Assistant, Division B, National Defense Research Committee, to LP. RE: Has heard that LP is going to be in Washington. Would like to know when LP could stop by for a conference. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.2]
  • Letter from T. K. Sherwood, National Defense Research Committee, to LP. RE: Acknowledging his letter. Will do his best to get the contracts soon. Presents some problems that relate to the contracts. [Letter from LP to Sherwood April 25, 1942] [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.1]
  • Memo from Dr. Buchman to LP RE: Apologizes if the enclosed report is a little late. Asks if LP has any explanation for the unusual instability of the 1,3-diamine. [Enclosed: Report on Cyclobutane Studies] [Filed under LP Biographical: Academia: Box #1.029 file 29.1]
  • Writes cheque to "Mira Loma Water Co.," $4.75. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]

April 21
  • Letter from LP to Arthur B. Lamb, Editor, JACS, RE: Submits for publication a manuscript entitled "The Electron-Diffraction Investigation of Propargyl Chloride, Bromide, and Iodide" by Drs. Gordy, Saylor, and himself. [Filed under LP Correspondence: Box #191.1, file:(Journal of the American Chemical Society)]

April 22

April 23
  • Invitation to the Franklin Medal Lecture. [Filed under LP Science: American Philosophical Society, 1936-1963, 1989, 1991: Box #14.011, Folder #11.1]
  • Letter from Vernon S? to LP RE: Talks about electron diffraction photographs made of certain substances and publications on the findings of the scientists who studied it. [Encloses report called "The Synthesis of Quinine"] [Filed under LP Biographical: Academia: Box #1.029 file 29.1]
  • Telegram from LP to Dr. R. C. Swain RE: "Lewis has a very good head. Outstanding in his studies. Moderately able in laboratory work." [Telegram from Lewis to LP April 22, 1942] [Filed under LP Correspondence: Box #230.8, File: (L: Correspondence 1942)]

April 24
  • Letter from C.L. Skelley, Macmillan Company, to LP RE: Skelley has just read an article co-authored by LP, and would like to indicate further his company's interest in publishing LP's chemistry text. [Filed under LP Manuscripts of Books, 1947b5.14]
  • Writes cheque to "S. Counties Gas Co" $10.88 [LP Biographical: Business and Financial 4.072, folder 72.5]
  • Writes cheque to "State Treasurer," $8.72. [Filed under LP Biographical: Business and Financial, Box 4.016, Folder 16.2]

April 25

April 26  (Washington, D.C.)
  • Copy of a letter from Prof. W. Albert Noyes, Jr., Department of Chemistry, University of Rochester, to Prof. R. C. Elderfield, Department of Chemistry, Columbia University, RE: Sends LP's letter and asks if an article by Fox on imidazoles would be alright. (Note under text: "Dear Linus: I hope to see you in Pasadena about the first week in June. Albert.") [Letter from LP to Noyes April 15, 1942] [Filed under LP Correspondence: Box #279.5, file:(Noyes, W. A., Jr.)]

April 27  (Washington, D.C.)
  • Letter from LP to the Pure Oil Company. RE: Enclosed a description of the Pauling Oxygen Meter. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.3]
  • Proposed amendment to the constitutions and by-laws, National Academy of Sciences. Two copies. [Filed under LP Science: National Academy of Sciences, 1939-1944: Box #14.018 Folder #18.2]
  • Writes cheque to "Flintridge Prep School. Tuition for Peter" $114.78 [LP Biographical: Business and Financial 4.072, folder 72.5]
  • Writes cheque to "New Yorker. 2 years sub. to June 6, 1944" $7.00 [LP Biographical: Business and Financial 4.072, folder 72.4]

April 28  (Washington, D.C.)

April 29  (Washington, D.C.)
  • Letter from F. S. Gordon, Special Assistant to the Director, Office of Scientific Research and Development, to LP. RE: Enclosed a copy of the letter from the British Supply Council. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.3]
  • Note from Doris Turgeon, Saint Mary College, to LP RE: Requests an autographed photo of LP for their picture gallery of living scientists. Written in different handwriting in lower left corner: "Sent Action Photograph; 5/8/42 JR." [Filed under LP Correspondence #410.7]

April 30  (Baltimore, MD)
  • Handwritten notes on RM Bozorth. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 File 1.5]