Historical clue formulations

• ___ Hoffman, member of the Chicago Seven — 2026-04-03
• 1960s activist Hoffman — 2024-03-18
• Hoffman who wrote "Revolution for the Hell of It" — 2023-02-03
• 1960s activist Hoffman — 2019-11-12
• Hoffman who wrote "Steal This Book" — 2019-01-10
• Radical Hoffman who wrote "Steal This Book" — 2018-03-19
• 1960s activist Hoffman — 2017-02-28
• Hoffman of 1960s radicalism — 2016-05-02
• First name in '60s radicalism — 2014-03-28
• Hoffman who co-founded the Yippies — 2012-09-06
• Wife in O'Neill's "Desire Under the Elms" — 2011-03-03
• Old comic strip "___ an' Slats" — 2009-08-20
• Old Al Capp strip "___ an' Slats" — 2009-06-04
• Hoffman who once backed a pig for president — 2007-10-28
• Hoffman of 1960's-70's radicalism — 2007-02-05
• ___ Hoffman of the Chicago Seven — 2006-11-13
• Opera singer Mitchell of "Porgy and Bess" — 2006-07-30
• Radical Hoffman — 2005-08-31
• 1960's radical Hoffman — 2005-04-11
• Hoffman who wrote "Steal This Book" — 2003-06-09
• "Steal This Book" writer Hoffman — 2001-06-03
• 60's protest leader Hoffman — 1997-02-10