From Wiki:
The Hitch-Hiker is a radio play written by Lucille Fletcher. It was first presented on the November 17, 1941, broadcast of the Orson Welles Show on CBS Radio, featuring a score written and conducted by Bernard Herrmann, Fletcher's first husband. Welles performed The Hitch-Hiker four times on radio, and the play was adapted for a notable 1960 episode of the television series The Twilight Zone.