Claim: Saratoga was written exclusively by a man.
Evidence: Saratoga is a 1937 American romantic comedy film written by Anita Loos and directed by Jack Conway.
Anita Loos -LRB- April 26 , 1889 -- August 18 , 1981 -RRB- was an American screenwriter , playwright and author , best known for her blockbuster comic novel , Gentlemen Prefer Blondes.