From 1947 to 1981, the Centron Corporation was in Lawrence. The Centron Corporation was a big movie company which made many big industrial and educational movies. Two students from the University of Kansas started the company. Some residents of Lawrence were able to get into the movie industry through Centron. One resident, Herk Harvey, worked at Centron for over 30 years as a director. He created a full-length theatrical movie, "Carnival of Souls", a horror cult movie shot mostly in Lawrence, and released in 1962.