Bob Mondello goes back in time to talk about Cinerama, the first process invented to provide widescreen movie viewing. Cinerama was developed in 1952 when televisions were entering people's homes.
Fearful that people would stop going to movies, Cinerama, which required three synchronized cameras to project an image onto a curved screen. "This required not just three projectors, but four filmstrips (one for the soundtrack), and five projectionists (one for each projector and one to makes sure it all matched up right)," reports Mondello. Listen to his report on NPR.