Ken Kesey was an American author best known for his novels One Flew Over the Cuckoo's Nest and Sometimes a Great Notion. He was also a countercultural figure who fostered the development of the 1960s hippie movement.' KEN Kesey was an American author best known for his novels One Flew Over the Cuckoo's Nest and Sometimes a Great Notion. He was also a countercultural figure who fostered the development of the 1960s hippie movement. KEN Follett is a Welsh author of thrillers and historical novels who has sold more than 160 million copies of his works. His most famous works include The Pillars of the Earth, World Without End, and Eye of the Needle. Both Kesey and Follett have had a lasting impact on literature and culture.