John Frankenheimer(1930-2002)

When Burt Lancaster walked onto the set the first day of shooting of Juventude Selvagem (1961), he was startled and dismayed to see the camera on the floor, aiming upward. Lancaster had never before worked with a director who used such innovative camera angles. He grew to trust Frankenhiemer, and they made four more films together.

It's very eclectic, the way one chooses subjects in the movie business, especially in the commercial movie business. You need to develop material yourself or material is presented to you as an assignment to direct.