Search

Autograph letters and postcards from European physicists and mathematicians to Korn. There are brief as well as long and technical letters, some sent to Korn as editor of PHYSIKALISCHE BERICHTE, some on the presentation of papers at French and German academies, some discussing theories of mathematical physics, and some of a personal nature. Among the correspondents are Albert Einstein, Emile Picard, Max Planck, and Wilhelm Roentgen.

Columbia Radiation Lab historical materials (1940s-1999): personnel records, histories, reports.

Professional and personal correspondence, administrative records, manuscript lecture notes, and some miscellaneous printed materials. The general correspondence file, 1927-1958, contains letters, both personal and professional, with colleagues, with and about his students, about laboratory equipment, about weapons for the Army and Navy, and with industry concerning his research. The subject file, 1926-1960, contains some additional professional and personal correspondence, a number of administrative records on property control of laboratory equipment, particularly for government research projects, other Columbia Physics Department matters, several typescripts on cyclotron coil designs, Mitchell's personal records relating to employment, and other miscellaneous personal files. There are handwritten lecture notes for Mitchell's courses, the most complete being those for Physics R6 and General Studies Physics 18.

Correspondence, manuscripts, and subject files on most aspects of Pegram's career. Also, a large quantity of research notes made by Lucy J. Hayner (1898-1971), Professor Emeritus of Physics at Columbia University, who was writing a history of Columbia's Physics Dept., 1905-1954, can be found in folders throughout the collection.

Personal and professional correspondence, including 25 long letters from Professor Henry F. Herbig; manuscripts (mainly speeches); specifications for patents in electrical fields; technical and personal photographs; and memorabilia. Included is a copy of the famous "shot in hand" x-ray photograph, ca. 1896, one of the first ever to be taken. This collection also contains the correspondence, manuscripts, documents, and memorabilia of Professor Pupin's daughter, Varvara Smith, and his son-in-law, Louis Graham Smith. His daughter's letters and documents deal with her financial difficulties, her administration of Pupin's estate and her claims against Columbia University. Louis G. Smith's letters deal with his anti-Communist sentiments and his manuscripts are mainly ideas for popular songs and plays. There are three letters (photostatic copies) to Smith from Dwight D. Eisenhower.

Correspondence, art work, and memorabilia of Rood, including letters to Rood from colleagues, scientists, and artists including Albert Bierstadt, Arthur J. Evans, Joseph Henry, and Charles Eliot Norton. Family letters to and from his wife, Matilda, and children; letters from his wife to her mother, Anna Prunner, in Germany; sketchbooks, drawings, and etchings of Rood and his son, Roland Rood; and photographs and memorabilia.

This collection is primarily concerned with Prof. James Renwick and his professional correspondence and papers, both as Professor of Natural Philosophy (Physics) at Columbia College and as a leading engineer. Many certificates of membership in honorary societies are included. There are letters from Washington Irving (1783-1859) to Prof. Renwick and to his mother, Jane Jeffrey Renwick, pertaining to contemporary events and Irving's own activities. The letters to Mrs. Renwick are about the travels and experiences of Irving and Renwick abroad. The collection also covers the affairs of the Prof. Renwick's grandfather, including documents concerning his land grants in New York State, and those of James Armstrong Renwick, including his valedictory address at Columbia College in 1876 and his class reunion in 1916. There are many legal documents, letters, and manuscripts of various members of the Renwick and Brevoort families; among these are Prof. Renwick's notes on his family genealogy and a memoir of Jane Jeffrey Renwick. Correspondents include Clement Clarke Moore, John A. Dix, Martin Van Buren, Secretary of State John Forsyth, and Secretary of the Navy James K. Paulding. There is one letter from Sir Edward Sabine (1788-1883), President of the Royal Society, giving his views on the American Civil War.

Notes and correspondence of MacDuffie pertaining to the life of Szilard. The collection contains several letters written by Szilard, interviews by MacDuffie with Szilard, and two manuscripts concerning the early development of nuclear power. Also, a large number of clippings from magazines and newspapers describing Szilard's life and activities; and many of Szilard's publications.