Historical clue formulations

• Shakespeare in the Park founder/producer Joseph — 2013-11-11
• "Hair" producer Joseph — 2012-07-11
• Founder of New York's Public Theater — 2010-03-21
• "The Pirates of Penzance" producer, 1981 — 2002-07-20
• Noted Shakespearean producer — 2002-05-12
• "Hair" producer, 1967 — 2000-12-17
• "Hair" producer — 1999-04-03
• New York Shakespeare Festival founder — 1998-12-18
• New York Shakespeare Festival founder Joseph — 1998-10-19
• New York Shakespeare Festival founder — 1998-08-06
• Founder of New York's Public Theater — 1997-04-12