Which screenwriter is French, Roger Vadim or Robert Z. Leonard?
Robert Z. Leonard Robert Zigler Leonard (October 7, 1889 – August 27, 1968) was an American film director, actor, producer, and screenwriter.
Robert B. Weide Robert B. Weide (born June 20, 1959) is an American screenwriter, producer, and director, perhaps best known for his work on documentaries and "Curb Your Enthusiasm".