Historical clue formulations

• Novelist Ken — 2023-12-12
• Ken who wrote "One Flew Over the Cuckoo's Nest" — 2023-01-09
• "Sometimes a Great Notion" novelist, 1964 — 2016-02-12
• Ken who wrote "Sometimes a Great Notion" — 2015-02-05
• Writer in "The Electric Kool-Aid Acid Test" — 2014-11-22
• Writer featured in "The Electric Kool-Aid Acid Test" — 2014-07-11
• Ken who wrote "One Flew Over the Cuckoo's Nest" — 2014-05-19
• Leader of the 35-Across — 2011-09-08
• Merry Prankster Ken — 2010-03-31
• "One Flew Over the Cuckoo's Nest" author Ken — 2007-09-03
• "The Demon Box" writer, 1986 — 2005-06-10
• "One Flew Over the Cuckoo's Nest" novelist — 2001-11-25
• "One Flew Over the Cuckoo's Nest" novelist — 2001-02-11
• Chief Bromden's creator — 1999-01-30
• "Sometimes a Great Notion" author — 1997-07-25
• "One Flew Over the Cuckoo's Nest" author — 1996-11-17
• Author Ken — 1996-07-24