Question: Who wrote the novel that Brian Patrick O'Toole wrote screenplays for?
Related documents: [0]  [DOC] Brian Patrick O'Toole is an American film producer and screenwriter. O'Toole's work includes co-producing the 2002 horror film "Dog Soldiers" and his screenwriting debut "Cemetery Gates". He also wrote a monthly column for the prominent American magazine "Fangoria" for six years and currently works with Black Gate Entertainment, with whom he has written and produced several films, including "Basement Jack", "Evilution" and the upcoming "Necropolitan" and "A Necessary Evil". He also wrote the screenplays for the "Atlas Shrugged" film adaptations. [END] 
[1]  [DOC] Atlas Shrugged is a 1957 novel by Ayn Rand. Rand's fourth and last novel, it was also her longest, and the one she considered to be her "magnum opus" in the realm of fiction writing. "Atlas Shrugged" includes elements of science fiction, mystery, and romance, and it contains Rand's most extensive statement of Objectivism in any of her works of fiction. [END] 
Answer: 
Ayn Rand
Ayn Rand