In this 1984 photo, Dr. Thomas Starzl is asked for autographs prior to throwing out the first pitch for a Pittsburgh Pirates game in Pittsburgh. Starzl, who pioneered liver transplant surgery in the 1960s and was a leading researcher into anti-rejection drugs, has died. He was 90. The University of Pittsburgh, speaking on behalf of Starzl's family, said the renowned doctor died Saturday, March 4, 2017, at his home in Pittsburgh. (Charles Fox/Pittsburgh Post-Gazette via AP)