Irvin S. Yeaworth Jr.
Irvin S. Yeaworth began his career in radio, singing (at age ten) on the first radio station in the world, KDKA in Pittsburgh, Pennsylvania. He later became a radio and TV producer. His first feature, "Twice Convicted", was shot in Chester Springs, Pennsylvania, in the early 1950s (several years later new footage was added and it was re-titled The Flaming Teenage (1956)). He directed three sci-fi films in the late '50s/early '60s (The Blob (1958), 4D Man (1959), Dinosaurus! (1960)), then went back to his first love: making religious films (some with Billy Graham. He also worked in amusement and theme park pavilion design and production.