Lee de Forest receiving honorary doctorate from Lewis Institute, 1937

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