Who developed Cinerama?

Fred Waller (1886-1954) of Paramount’s special-effects department developed Cinerama.

The wide-screen process used three cameras and three projectors to record and project a single expansive image.

The process debuted in 1952 with This Is Cinerama, a travelogue.

What was the first story feature filmed in Cinerama? How the West Was Won (1962).