Use stream of consciousness to answer the following. One Flew Over the Cuckoo's Nest is a 1975 American comedy-drama film directed by Milos Forman, based on the 1962 novel One Flew Over the Cuckoo's Nest by Ken Kesey. The film stars Jack Nicholson, and features a supporting cast of Louise Fletcher, William Redfield, Will Sampson, and Brad Dourif.

Who wrote one flew over the coocoos nest?
To answer this question, we should know that: One Flew Over the Cuckoo's Nest is a 1975 American comedy-drama film directed by Milos Forman, based on the 1962 novel One Flew Over the Cuckoo's Nest by Ken Kesey. Final answer: Ken Kesey.