Career
This led him into a highly fertile creative period, during which he wrote the screenplays for Elvis Presley"s breakout hit Jailhouse Rock in 1957, the complex western One-Eyed Jacks in 1961, and Birdman of Alcatraz in 1962, which he also produced. Trosper"s last screenplay before his premature death was an adaptation of John le Carré"s 1963 novel The Spy Who Came in from the Cold.