Search Results
Abram J. Jaffe papers, 1950s-2015
31.25 linear feetCorrespondence, manuscripts, research files, teaching materials, memoranda, etc.
Alumnae Affairs Biographical Questionnaire, 1956-1957
18.21 Linear FeetColumbia University Libraries Binding Department Records, 1899-1972, bulk 1950-1969
2.5 linear feetColumbia University Libraries Library Survey, 1956-1957
8 linear feetThe questionnaires, replies and tabulation summaries of a survey of Columbia University Libraries users conducted in 1956. This survey of students, faculty, staff and alumni was part of the larger study of Columbia University's educational program which was issued by the President's Committee on the Educational Future of the University under the title: THE EDUCATIONAL FUTURE OF THE UNIVERSITY, 1957
Dr. Charles H. Sears' report, 1930-1931
4 boxesIncludes study of churches in various cities in Japan; original data sheets; denominational statistics; and photographs and plans of churches in Japan.
Edwin H. Armstrong papers, 1886-1982, bulk 1912-1954
295.7 linear feetProfessional and personal files including Armstrong's correspondence with professional associations, other engineers, and friends, his research notes, circuit diagrams, lectures, articles, legal papers, and other related materials. Of his many inventions and developments, the most important are: 1) the regenerative or feedback circuit, 1912, the first amplified radio reception, 2) the superheterodyne circuit, 1918, the basis of modern radio and radar, 3) superregeneration, 1922, a very simple, high-power receiver now used in emergency mobile service, and 4) frequency modulation - FM, 1933, static-free radio reception of high fidelity. More than half the files concern his many lawsuits, primarily with Radio Corporation of America, over infringement of the Armstrong patents. Litigation continued until 1967. Other files deal with his work in the Marcellus Hartley Research Laboratory at Columbia University, 1913-1935, and with the American Expeditionary Forces in France during World War I, his Air Force contracts for communications development, Army research during World War II, the Radio Club of America, the Institute of Radio Engineers, FM development at his radio station at Alpine, N.J., the use of FM in television, his involvement in Federal Communications Commission hearings and legislation, and his work with the Zenith Radio Corporation. Also, letters to H.J. Round
Frederick L. Hoffman Papers, 1881-1989
16 linear feetHerbert Robbins papers, 1940s-2001
2.5 linear feetThis collection consists of the papers of Herbert E. Robbins (1915-2001), Professor of Mathematical Statistics at Columbia University.
Jay and Jane Gould papers, 1950s-2000s
45 linear feetCorrespondence, manuscripts, notes, memoranda, photographs and related material.
Joseph Dorfman papers, 1890-1983
40.5 linear feetCorrespondence, manuscripts, notes, documents, book typescripts, photographs, and printed materials covering the time from Dorfman's early interest, as a graduate student, in the economic thought of Thorstein Veblen until his retirement. There is correspondence with his academic colleagues, students, publishers, and the family and students of Thorstein Veblen, as well as manuscripts, typescripts, drafts, revisions, notes, photographs, pamphlets, and related materials for his articles and books which include: THORSTEIN VEBLEN AND HIS AMERICA, 1934; THE ECONOMIC MIND IN AMERICAN CIVILIZATION, 1946-1959; EARLY AMERICAN POLICY, 1960; INSTITUTIONAL ECONOMICS, 1963; TYPES OF ECONOMIC THEORY, 1967; and NEW LIGHT ON VEBLEN, 1973