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April
  • Undated letter from LP to Dr. G.V. Caesar, Lab Director, Stein, Hall & Company, Inc. RE: Thanks him for the description of the process for making nitrogen pentoxide. [Letters from LP to Caesar March 31, 1943, from Caesar to LP April 28, 1943] [Filed under LP Correspondence Box: #74.11, file:(C: Correspondence, 1943)]

April 1

April 2
  • Letter from Edwin Buchman to LP RE: Sends a report on research carried out between June 1942 to present. [Filed under LP Correspondence: Box #33.2, file:(Buchman, Edwin R., 1936-1938, 1943, 1960-1961, 1969)]
  • Letter from R. A. Millikan to the Board of Trustees of the Rockefeller Foundation RE: Sending report of all the work done at C. I. T. on immunology during the past year through grants from the Rockefeller Foundation. He also submits a proposal that requests further funding to support the consolidated research projects on immunochemistry to be undertaken by the Biology and Chemistry divisions. [Filed under LP Science: Rockefeller Foundation, 1943-1983: Box #14.039 Folder #39.1]
  • Writes cheque to LP Jr., $56.00. [Filed under LP Biographical: Business and Financial, Box 4.017, Folder 17.1]

April 3

April 5
  • Chemistry 1c. Notice for Instructors concerning Recitation and Laboratory. [Filed under LP Biographical: Academia: Box 1.013, File 13.4]
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. Two entries. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from E. Cowles Andrus, Assistant to the Chairman, Committee on Medical Research, to LP. RE: Acknowledges receipt of his Proposal for Extension of Contract OEMsr-153. [Filed under LP Science: Scientific War Work - Materials re: Oxypolygelatin, 1941-1945, 1951-1952, 1972-1974: Box #13.004 Folder #4.1]
  • Letter from F.S. Crofts, F.S. Crofts and Co., to LP RE: Crofts thanks LP for his letter and notes that LP is not yet making arrangements for the publication of his text. He hopes that LP will consider his company when he gets ready to publish, and reminds LP that his company has no other competing text in the field, and could give the manuscript undivided attention. [Filed under LP Manuscripts of Books, 1947b5.7]
  • Letter from J. D. Ratcliff to LP and Dr. Campbell. RE: Is interested in their work with antibodies. Informs them that he would like to do an article on their work. Would like to come to Berkeley to talk to them. Mentions that they can see the article before it prints. [Telegram from Ratcliff to LP April 12, 1943] [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 J. P. Youtz, to LP. RE: Informs him the instructions that have been given for relaxation of the secrecy order are quite complete. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1940-1947: Box #13.001 Folder #1.2]
  • Letter from LP to Henry Allen Moe, John Simon Guggenheim Memorial Foundation. RE: Returning books under separate cover. Gives his opinion of them. [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1925-1945: Box #14.013 Folder #13.18]
  • Letter from Prof. Louis F. Fieser, Department of Chemistry, Harvard University, to LP RE: Requests LP study a hydrocarbon they have developed which they believe to be symmetrical dibenzocyclooctatetraene. Mentions that he may stop by while he is California on NDRC business. [Letter from LP Fieser April 13, 1943] [Filed under LP Correspondence: Box #120.1, file:(Fieser, Louis F.)]
  • Memo from Mrs. Elizabeth Swingle to LP RE: Discusses her arrival at the Crellin Stockroom to find the elevator door unlocked and knows of two different chemicals which have gone missing. [Filed under LP Biographical: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1915-1944), Box #1.019, Folder #19.7]
  • Memorandum from The Biographical Directory of American Men of Science to LP RE: Requests names of those to be added to the directory. [Notes in pencil on back by LP RE: Names those to be included.] [Filed under LP Correspondence: Box #37.10, file:(B: Correspondence 1943)]

April 6
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from E. Melville Price, Advertising Manager, The New Yorker, to LP RE: Informs him that he has forwarded LP's letter to W.S. Brown, the Advertising Manager of the Canada Dry Company. [Letter from LP to The New Yorker March 26, 1943] [Filed under LP Correspondence: Box #287.10, file:(N: Correspondence, 1943)]
  • Letter from M. T. O'Shaughnessy, Technical Aide, National Defense Research Committee, to LP. Requests a list of full time scientists with PhD degree or Bachelor degree with three years experience employed on research work under contract with NDRC. [Filed under LP Science: Assorted LP War Work, 1940-1946: Box #13.006 Folder #6.1]
  • Letter from Professor Roger J. Williams, Department of Chemistry, University of Texas to LP RE: Speaks about Dr. Speer, says he seems more ambitions than research ability, recommends instead a Dr. William Shive, an organic chemist whom he highly praises and tells of his current happy situation at Tulane, and writes also of a man with biochemical leaning named Dr. Derrol Pennington whom he says is close to Shive's class. (Note attached behind letter in brown pen: “Dr. William Shive doctorate at Texas with Dr. Lochte. Strong recommendation from Roger Williams. Now at Tulane”) [Letters from LP to Williams March 31, 1943, April 14, 1943] [Filed under LP Correspondence: 436.6]

April 7
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from A. Klipstein attn: LP RE: Forwards a portfolio of reprints of ads from the past 20 months. [Letter from LP attn: Klipstein April 14, 1943] [Letter from LP to Avera August 19, 1941] [Filed under LP Correspondence: Box #12.9, file:(A: Correspondence, 1943)]
  • Letter from Dr. George W. Wheland, Department of Chemistry, University of Chicago to LP RE: Thanks him for his interest in his proposed book on the “Theory of Resonance and Its Applications to Organic Chemistry,” encloses the tentative table of Contents and preface, says he believes LP would know better than he himself about the demand for such a book, and describes the audience the book is aimed at. (Enclosure attached) [Letter from Wiley to LP May 10, 1943, letter from LP to Wiley May 11, 1943]
  • Statement by F.S. Gordon to the Division Chiefs, Section Chiefs, and Technical Aides of Divisions 4, 5, 6, 13, 14, 15, 16, and 17 of the National Defense Research Committee. Encloses a chart outlining the Army, Navy-Marine, and CAA test requirements for airborne electronic equipment. LP Safe: Drawer 3, Folder 3.012

April 8
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from J. H. Sturdivant to D. Churchill, Jr., Technical Aide, Division 11, National Defense Research Committee. RE: Lists the total expenditures and commitments through March 31st, 1943, and the amount billed through March 31st, 1943. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]
  • Letter from J. Norton Wilson, to Dr. D.E. Pearson, Technical Aide of Division 9 of the NDRC. Informs him that the classification of the report on the "Conference on Carbon Monoxide Detector Instruments" has been changed from "Restricted" to "Confidential." Thanks him for his information concerning Dr. Neal's work. [Letter from Pearson to Wilson, March 29, 1943] [Letter from Pearson to Wilson, March 30, 1943] LP Safe: Drawer 3, Folder 3.012
  • Letter from LP to Mr. E.C. Barrett RE: Makes changes to the mechanism of ordering supplies and equipment due to the loss of the services of Foster Strong. Requests honor of the signature of Professor James H. Sturdivant on various accounts. [Filed under LP Biographical: Academia: Box #1.029 file 29.1]
  • Letter from Reuben E. Wood to LP. RE: Discusses his trip so far. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]
  • Summary of expenditures for Chem NDRC 1c. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]

April 9
  • Letter from John A. Stevenson, President, The Penn Mutual Life Insurance Co., to LP RE: Discusses the first air voyage, a flight in a hydrogen balloon, and sends a copy of a book detailing this voyage in commemoration of the 150th Anniversary celebration. [Letter from LP to Mr. John A. Stevenson May 3, 1943] [Filed under LP Correspondence: (S: Correspondence, 1943), #377.13]
  • Writes cheque to "Hoover Company," $72.37. [Filed under LP Biographical: Business and Financial, Box 4.017, Folder 17.1]

April 10
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from Dr. Myron Prinzmetal, Cedars of Lebanon Hospital, to LP RE: Sends an abstract for comment that he has sent to the Office of Scientific & Research Development. (Note from LP to Dr. Campbell in top margin, crossed out: “Any comments? Please return before Friday.”) [Letter from LP to Prinzmetal April 15, 1943] [Filed under LP Correspondence: Box #309.10, file:(Prinzmetal, Myron)]

April 11
  • Manuscript: Development of Immunochemistry at CIT, Alumni Seminar, California Institute of Technology, Pasadena. [Filed under: LP Speeches, 1943s.1]

April 12
  • Ch 1c Freshman Chemistry Notice for Instructors concerning recitation, laboratory, and grading scheme for unknowns. [Filed under LP Biographical: Academia: Box 1.013, Folder 13.4]
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from Charles P. Smyth to LP RE: Smyth thanks LP for the copy of "General Chemistry" and hopes that LP will be at the Philosophical Society meeting. [Filed under: LP Manuscripts of Books, 1947b3]
  • Letter from Dr. J.H. Wolfenden, British Central Scientific Office to LP RE: Thanks him for looking into the matter of children's encyclopedias for him, believes they will choose the Britannica Junior, adds that he will be leaving on a two month visit to England soon and everyone there will be glad to have news of LP. [Letter from LP to Wolfenden March 29, 1943] [Filed under LP Correspondence: 443.11]
  • Letter from Garrett Van Pelt, Soil Conservation Lab, to LP RE: States the Dr. Robert Knapp suggested he contact LP and requests to meet with LP sometime and explain a few samples. [Letter from LP to Garrett Van Pelt April 14, 1943] [Filed under LP Correspondence: 427.3]
  • Telegram from J. D. Ratcliff to LP. RE: Requests that LP wire a decision on colliers story so he can make travel reservations. [Letter from Ratcliff to LP April 8, 1943, Telegram from LP to Ratcliff April 13, 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]

April 13
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from LP to Prof. Louis F. Fieser, Department of Chemistry, Harvard University, RE: Replies that they would be glad to conduct the tests on symmetrical dibenzocyclooctatetraene and its dinitro compounds. Discusses details of the project, suggesting Jürg Waser carry out the study. Adds that he will be away from Pasadena from April 16 to 30, but that Fieser can visit. [Letters from Fieser to LP April 5, 1943, April 21, 1943] [Filed under LP Correspondence: Box #120.1, file:(Fieser, Louis. F.)]
  • Letter from LP to R. W. Stott, Esq., Rubgy School Science Laboratory, England, RE: Gives Stott to use a table from “The Nature of the Chemical Bond” in a book. [Note from R. W. Stott to LP February 14, 1943] [Filed under LP Correspondence: (S: Correspondence, 1943), #377.13]
  • Letter from LP to Reuben E. Wood. RE: Pleased to hear about his trip. Gives details for LP upcoming trip. [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]
  • Letter from LP to Robert Livingston Johnson, Temple University, RE: Thanks the university for the honor of inviting him to the commencement ceremony and selecting him to receive an honorary degree of Doctor of Science. Regrets he will be unable to attend the commencement due to health reasons, as his physician, Dr. Thomas Addis, has forbidden him from traveling in May. [Letters from Johnson to LP March 30, 1943, April 20, 1943] [Filed under LP Correspondence: Box #192.10, file:(J: Correspondence, 1943)]
  • Telegram from LP to J. D. Ratcliff. RE: Shall be absent Pasadena April 16-30. Available thereafter. [Telegram from Ratcliff to LP April 12, 1943 Letter from LP to Ratcliff April 14, 1943] [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]

April 14
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from LP attn: A. Klipstein RE: Asks for a sample of the substance potassium sodium ferricyanide to be sent to him from the reprints of the ads. [Letter from Klipstein attn: LP April 7, 1943] [Letter from LP to Avera August 19, 1941] [Filed under LP Correspondence: Box #12.9, file:(A: Correspondence, 1943)]
  • Letter from LP to Garrett Van Pelt, Soil Conservation Laboratory, RE: States that Dr. Knapp did not mention the problem with bentonite to him and suggest Van Pelt contact Dr. Richard Badger. [Letter from Garrett Van Pelt to LP April 12, 1943] [Filed under LP Correspondence: 427.3]
  • Letter from LP to J. D. Ratcliff. RE: Regrets that his answer was delayed. Has sent a telegram. Recommends that Ratcliff delays the article for a few months. [Telegram from LP to Ratcliff April 13, 1943] [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 Professor Roger J. Williams, Department of Chemistry, University of Texas RE: Thanks him for his comments regarding Speer as they are exactly what he wanted, and thanks him for suggesting Dr. Shive. [Letter from Williams to LP April 6, 1943] [Filed under LP Correspondence: 436.7]
  • Letter from W.A. Osborne, Assistant Chief of the Security Section of the Office of Scientific Research and Development, to LP, cc: Dr. M.F. Roy. Encloses his NDRC identification card, valid May 1 - November 1, 1943. Asks LP to sign the card, attach a photograph, and then send it to Dr. Roy for verification. LP Safe: Drawer 3, Folder 3.012
  • Note from LP to himself RE: States that IBM is agreeable to Cal Tech doing two hours a for Douglas on the machines. [Filed under LP Correspondence: Box #184.1, file:(International Business Machines)]

April 15
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Entry in research notebook by W. H. Eberhardt, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.2]
  • Letter from A.N. Clark, D. Van Nostrand Company, Inc., to LP . RE: Clark is interested to know what has transpired in the past year with regards to LP's general chemistry manuscript. He asks LP to write and let him know about the present status of the work, as well as LP's plans for the manuscript. [Filed under LP Manuscripts of Books, 1947b5.21]
  • Letter from LP to Dr. Ludo Frevel, Dow Chemical Company, RE: Suggests that Frevel send the application blank, as Stosick has expressed interest in the position. [Letters from Frevel to LP March 30, 1943, April 22, 1943] [Filed under LP Correspondence: Box #121.6, file:(Frevel, Ludo)]
  • Letter from LP to Dr. M. T. O'Shaughnessy, Technical Aide, Nation al Defense Research Committee. RE: Informs him that there is at present no men with PhD degrees of Bachelor degree plus three years experience employed on work under the contract with NDRC. [Filed under LP Science: Assorted LP War Work, 1940-1946: Box #13.006 Folder #6.1]
  • Letter from LP to Dr. Myron Prinzmetal, Cedars of Lebanon Hospital, RE: Replies that after having read the abstract, he feels it worthwhile that Prinzmetal “continue the studies, especially . . . the isolation of the active fraction.” [Letter from Prinzmetal to LP April 10, 1943] [Filed under LP Correspondence: Box #309.10, file:(Prinzmetal, Myron)]
  • Letter from LP to Professor Morgan Ward RE: Sends information about the punched card machine for him to use while LP is gone. [Filed under California Institute of Technology: Materials re: Division of Chemistry and Chemical Engineering, 1933-1963, No Date: Box #1.024, Folder 24.10]
  • Telegram from Dan H. Campbell, to W. S. Barton, Science and Medicine Editor. RE: Informs him that he has been misquoted and is not contemplating studies on animal blood at present. Informs him that he prefers release on artificial antibodies at a later date. [Filed under LP Science: Scientific War Work - Materials re: Oxypolygelatin, 1941-1945, 1951-1952, 1972-1974: Box #13.004 Folder #4.1]
  • The Royal Society of Chemistry, Correspondence indicating election to honorary fellowship of the Royal Society of Chemistry, April 15, 1943. [Filed under LP Awards & Honors: 1943h.1]
  • Writes cheque to “ Mrs. Earle M Jensen. Tickets for concert at Flintridge” $3.30 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “A.Z.P. Mother's Club Dues for 1 semester” $1.50 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “Adohr Milk. Milk, etc” $11.98 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “Flintridge Perp School. Peters 1943-4 Tuition” $50.00 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “Linus Jr” $10.00 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “State Treas. First Iher'd inc. tax” $27.64 [LP Biographical: Business and Financial 4.072, folder 72.3]

April 16
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from Carey G. Cruckshank, Fiscal Officer of the Office of Scientific Research and Development, to LP. Informs him that his travel authorization No. OEMrd-646-43 was amended to include travel to Illinois. LP Safe: Drawer 3, Folder 3.012
  • Letter from J.L. Murphy, Vice-President, Production, Canada Dry Ginger Ale Inc. To LP RE: Informs him that they have no hesitation in discussing their water-purification with him, but he will have to come to the plant, as they cannot divulge the information in a letter. [Filed under LP Correspondence Box: #74.11, file:(C: Correspondence, 1943)]
  • Letter from LP to George Guthrie RE: States that they do not have any defense jobs open which could compete with his Oklahoma job. [Filed under California Institute of Technology: Materials re: Division of Chemistry and Chemical Engineering, 1933-1963, No Date: Box #1.024, Folder 24.10]
  • Letter from LP to Professor Roger J. Williams, Department of Chemistry, University of Texas RE: Thanks him for his comments about Speer and his recommendation of Dr. Shive. [Letter from Williams to LP April 6, 1943] [Filed under LP Correspondence: 436.6]
  • Letter from Leo P. Sherman, Div. of Natural Sciences, Grinnell College, to LP RE: Describes a current chemistry student, Donald Noyce, who would like to continue his education as a graduate student. Asks if Caltech can offer Noyce a suitable assistantship in the second semester of the coming year. [Letter from LP to Prof. Leo P. Sherman May 13, 1943] [Filed under LP Correspondence: (S: Correspondence, 1943), #377.13]
  • Note from Reba Paeff Mirsky to LP RE: Thanks LP for his last visit and urges him to stop by on his next trip as they are in need of his advice in matters concerning Alfred Mirsky's position at the Institute. [Letter from LP to Mirsky May 3, 1943] [Filed under LP Correspondence: Box #248.3, file:(Mirsky, Alfred)]

April 17

April 18  (Chicago)

April 20  (Washington, D.C.)
  • Handwritten notes from Division 8 meeting, Washington. [Filed under LP Science: Assorted LP War Work, 1940-1946: Box #13.006 Folder #6.3]
  • Letter from J. M Robertson, University of Glasgow, to LP RE: Informs LP that this is his new address for reprints to be sent to, and states that he is now the Chemistry Chair but he doesn't have much time for academic work. [Letter from LP to J. M. Robertson May 20, 1943] [Filed under LP Correspondence: #330.7]
  • Letter from Jay P. AuWerter, Technical Staff, Engineering Division, Army Air Forces, to D. Churchill, Technical Aide, National Defense Research Committee. RE: Informs him that payment should be made to CIT in the near future. [Letter from Churchill to LP April 29, 1943, from LP to Churchill May 21, 1943] [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]
  • Letter from R. C. Newton, Chicago Section, to LP. RE: Requests LP and AHP's presence at the presentation dinner for the Willard Gibbs Award. Requests to be informed if they can attend as soon as possible. [Filed under LP Science: American Chemical Society: Materials re: Committees and Awards, 1948-1951, 1967: Box #14.010 Folder #10.7]
  • Letter from Robert L. Johnson, President, Temple University, to LP RE: Regrets that LP will be unable to attend the commencement ceremonies on May 20th due to health reasons. Invites him to visit the university at a future date. [Letter from LP to Johnson April 13, 1943] [Filed under LP Correspondence: Box #192.10, file:(J: Correspondence, 1943)]
  • Writes cheque to “F. C. Nash” $26.72 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “Hjalmar Johnson. Shoes for Linda + 2.00 Repair on mine” $8.13 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “Mira Loma H2O Co.” $3.28 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “S. Cal. Tel. Co” $6.16 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “S. Calif Edison Co. 10.80 + 8.40 = 19.20" $19.20 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “S. Calif. Edison Co. Feb & March” $19.20 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “S. Counties Gas Co. March Tab to April 1st” $9.18 [LP Biographical: Business and Financial 4.073, folder 72.1]
  • Writes cheque to “T. W. Mather” $27.38 [LP Biographical: Business and Financial 4.073, folder 72.1]

April 21  (Washington, D.C.)

April 22  (Washington, D.C.)

April 23  (Philadelphia)

April 24  (Philadelphia)

April 25  (Washington, D.C.)

April 26  (Washington, D.C.)

April 27  (Washington, D.C.)
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from Maryjane Uhrlaub to Dr. Addis RE: Sends check to cover expenses for Dr. Addis' trip to Pasadena. [Filed under LP Correspondence: Box #2.1, file:(Addis, Thomas 1940-1945)]
  • Letter from Ranald P. Hobbs, Farrar and Rinehart Publishers, to LP . RE: Hobbs has heard that LP has a finished manuscript of a general chemistry book, and would like LP to consider Farrar and Rinehard to publish the text. [Filed under LP Manuscripts of Books, 1947b5.9]
  • Note from Dr. Thomas Addis to LP RE: Reports on some projects that they are working on and includes a copy of a letter that he sent to MacKay hoping to clear up some issues. (Letter from Dr. Thomas Addis to Dr. E. M. MacKay RE: Writes in response to a letter he received which implicated Addis as following the same threatening methodology as MacKay is. Addis affirms that he wants to help the C.M.R. and asks that MacKay clarify the situation.) [Filed under LP Correspondence: Box #2.1, file:(Addis, Thomas 1940-1945)]

April 28

April 29
  • Entry in research notebook by J. M. Ploeser, National Research Defense Committee, on NDRC-11. [Filed under LP Science: Materials re: Non-Pauling War Work, 1942-44: Box #13.007 Folder #7.3]
  • Letter from D. Churchill, Jr., Technical Aide, Division 11, National Defense Research Committee, to LP. RE: Informs him that Dr. Stewart already authorized LP to charge certain instruments to the contract. [Letter from AuWerter to Churchill April 20, 1943] [Filed under LP Science: Scientific War Work - Materials re: the Pauling Oxygen Meter, 1942-1950: Box #13.002 Folder #2.1]

April 30
  • Chemistry 1c Freshman Chemistry Mid-Term Examination [Filed under LP Biographical: Academia: Box 1.013, Folder 13.4]
  • Note from Elizabeth M. Swingle to LP RE: States that two keys were left on the table in the stockroom last week. One fits the stockroom door. She is giving them to Mary Jane. Note at bottom: “Returned to Farrington 5/17/43. JR”. [Filed under LP Biographical: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1915-1944), Box #1.019, Folder #19.7]
  • Payroll stub from California Institute of Technology (period ending Apr 30 ‘43) and Bank of America deposit slip for $738.60 [LP Biographical: Business and Financial 4.068, folder 68.2]