Immanuel Velikovsky, brilliant psychiatrist, catastrophist and complete crank, was on a first-name basis with some of the world’s greatest scientific minds–and several inane theories. His ideas from 1950 of colliding worlds played a small, supporting role in creating the paranoiac atmosphere of Philip Kaufman’s 1978 Invasion of the Bodysnatchers remake, but served little other purpose. Here’s a 1964 episode of Camera Three that featured him.