De Forest, Lee
American Institute of Physics
One Physics Ellipse
College Park, Maryland 20740-3843
Forms part of the Manuscript Biography Collection of the American Institute of Physics' Niels Bohr Library. The document describes de Forest's pioneering work in the development of wireless telegraph, and consists of extracts of two volumes of autobiographical manuscripts written in 1939 based on diaries and notebooks from 1899. De Forest describes his first job "mopping grease and chasing parts" at Western Electric Company; his Ph.D. from Yale University (1899); his numerous inventions, i.e. the history of the little "Audion with the Gigantic development"; de Forest Radio Telephone and Telegraph Co.; traveling to Europe; and the "talking movie" picture invention and development in 1920.