George Braxton Pegram papers, 1903-1958.
Nuclear physicist, professor of physics, and Dean of Graduate Faculties at Columbia University. Pegram, a prominent nuclear
physicist, conducted a great deal of defense-related research and was responsible for the famous meeting between Franklin
Delano Roosevelt and American nuclear scientists prior to World War II that eventually led to the establishment of the Manhattan
Scope and Contents
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.