[ Autograph ] David Sarnoff 1891-1971 American businessman, President of Rca, proposed first commercial radio receiver, and founder of NBC. Excellent I.S.P. 11in x 14in b/w, showing Sarnoff standing three-quarter length, a cigar in hand, with his wife standingbeside him. Inscribed and signed in lower margin, 1951 Matted and framed.