American Philosophical Society300.0 Microfilm reel(s) 12,500 items on 300 microfilm reels; 107 recordingsPrimary source materials for the history of quantum physics in the twentieth century, collected under the auspices of the American Philosophical Society and the American Physical Society, with a grant from the National Science Foundation.Contact InformationFinding Aid
Bohr, Niels Henrik David, 1885-1962.Morgan Library and Museum - Pierpont Morgan Library1 item (2 p.) ;Disputing a point "about the singulet-triplet problem about which we agonized so much," and mentioning physicists Hendrik Kramers and Wolfgang Pauli.Contact InformationCatalog Record
Arrhenius, Svante, 1859-1927.American Institute of Physics - Public Center3.5 meters.Includes correspondence, primarily with scientists, files with scientific notes, manuscripts, and newspaper articles. A major part of the correspondence is with foreign scientists, such as: Wilhelm Bjerknes, Niels Bohr, Ludwig Boltzmann, Georg Bredig, and Ernst Cohen. Prominent Swedish scientists represented include: Carl Benedicks, Wilhelm Ostwald, Ernst Riesenfeld, Hans von Euler Chelpin.Contact InformationCatalog Record
Kovarik, Alois Francis, 1880-1965.Yale University - Sterling Memorial Library7 linear ft. (15 boxes)Physicist, professor at Yale University. Correspondence, writings, lecture notes and glass slides relating to Kovarik's work on radioactive materials. Included also are biographical materials gathered by Kovarik in connection with an article on Bertram B. Boltwood and papers issued by the Committee on Standards of Radioactivity (1938-1946) of which Kovarik was a member. Prominent among his correspondents are Niels Bohr, Marie S. Curie, Ernest Pollard and Luville T. Steadman.Contact InformationFinding AidCatalog Record
Bohr, Niels Henrik David, 1885-1962.Morgan Library and Museum - Pierpont Morgan Library1 item (3 p.) ;Concerning the latter's research on the impact of electrons on helium.Contact InformationCatalog Record
Einstein, Albert, 1879-1955.Brigham Young University - Harold B. Lee Library1 item (1 page)Typewritten and signed letter in German addressed to Irving Schneider of the Jewish Community Center, Yonkers, New York. Einstein responds to an invitation to speak.Contact InformationCatalog Record
Bethe, Hans A. (Hans Albrecht), 1906-2005.Morgan Library and Museum - Pierpont Morgan Library1 item (1 p.) ;Expressing his excitement about new developments in research about nuclei, saying that "[Niels] Bohr's article in Nature really causes a revolution," and looking forward to a conference in Michigan.Contact InformationCatalog Record
Bury, Charles R.Pennsylvania State University Libraries1 v. The collection consists of a bound volume of offprints on the subject of atomic energy and physics. Also includes three letters laid in on the same topic. Papers include: letter from Niels Bohr to Nature, 24 March 1921, p. 104-107; Correlation of atomic structure and spectra, by Harold S. King, 1922; Langmuir's theory of the arrangements of electrons in atoms and molecules, by Charles R. Bury, 1921; Über die Auffindung des Hafniums und den gegenwärten Stand unserer Kenntnisse von diesem Element, Georg von Hevesy, 1923; Linienspektren und Atombau, von Niels Bohr, 1923.Contact InformationCatalog Record
Syracuse University - Special Collections Research Center2 items (SC).Papers of the physicist. Letter for Emergency Committee of Atomic Scientists, 1947; and 11 p. undated research paper, "On Rotationally Symmetric Stationary Gravitational Fields," in German.Contact InformationFinding Aid
American Philosophical Society0.25 Linear feet 50 p., photocopy of typescriptThese excerpts were brought together by Slater from his files, at the request of Dr. Leon Rosenfeld, to document Slater's visit to Copenhagen, and Bohr's Lab. In general, the letters concern quantum physics.Contact InformationFinding Aid
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