In the 1960s, paleoecologist Paul Martin developed what became known as the blitzkrieg hypothesis.

Why is one style is and one style — Professor Dale Martin: Okay the question is what says that the seven that I've called the undisputed letters are actually Paul and the others are not Paul?

Robert Kulzer, Jeremy Bolt, Samuel Hadida and Paul W. S. Anderson are producing with Martin Moszkowicz tapped as executive producer.