Lee de Forest receiving honorary doctorate from Lewis Institute, 1937 De Forest, Lee, 1873-1961 Lewis Institute (Chicago, Ill.)--Faculty Academic costume Lee De Forest, a pioneer of wireless communication, served as a faculty member at Lewis Institute during the turn of the twentieth century. During that time he conducted his first long-distance broadcasts from the roof of Main Building at the Armour Institute of Technology. De Forest also invented of the Audion three-element vacuum tube and patented a method of recording sound on film that the movie industry would later adopt. Photographer uknown. 1937 Still image Black and white photograph image/tiff islandora:1000204 0010201-31-17-002 http://hdl.handle.net/10560/islandora:1000204 Lewis Institute records, 1827-1984 Illinois Tech Libraries Illinois Institute of Technology en Chicago (Ill.) In Copyright http://rightsstatements.org/vocab/InC/1.0/