Richard Levinson and William Link were American television producers and writers who collaborated for 43 years, until Levinson's death. They created classic television detective series such as Columbo; Mannix; Ellery Queen; Murder, She Wrote and Scene of the Crime; and made-for-TV movies including The Gun, My Sweet Charlie, That Certain Summer, The Judge and Jake Wyler, The Execution of Private Slovik, Charlie Cobb: A Nice Night for a Hanging, Rehearsal for Murder, and Blacke's Magic. They also collaborated on two feature films: The Hindenburg (1975) and Rollercoaster (1977).