Teleview was a process for proucing stereoscopic motion pictures, invented in 1922 by Cornell University graduates Laurens Hammond and William F. Cassidy. It premiered at the only theater that installed the equipment, the Selwyn Theatre in New York City on 27 December 1922, during a show of shorts and the only feature shown with the process, M.A.R.S. (or The Man From M.A.R.S.), later recut and re-released as Radio-Mania. The film was 95 minutes in length, and was directed by Roy William Neill with cinematography by George Folsey.