7. THOMAS A. EDISON (1847-1931)
Inventor, businessman. Invented the phonograph, developed the electric light bulb and the motion picture projector. Typed letter of resignation from an employee of Thomas A. Edison Inc., dated August 27, 1924, addressed to Charles Edison. Charles has commented and forwarded the letter to his father, writing “T.A.E., This obviates the necessity of firing him.” Thomas Edison has added below, “Yes - Dead one. E.” An intriguing glimpse inside Edison’s pioneer research laboratory. $1050.00