Famed heart transplant surgeon who pioneered important advances in cardiovascular surgery. Two items: glossy 8 x 10 composite photo of Cooley receiving the National Medal of Technology, and of Cooley and William Kolff studying a heart model, signed in black felt tip by both; and an original ink sketch of a heart on an off-white7 x 10.5 card, signed in black felt tip. In fine condition. R&R COA.