Historical clue formulations

• Philosopher Robert who wrote "The Sceptical Chymist" — 2015-02-13
• Peter of "Everybody Loves Raymond" — 2014-05-20
• 2009 British singing sensation Susan — 2012-04-02
• Singer Susan with the 2009 #1 album "I Dreamed a Dream" — 2011-11-27
• Danny who directed "Slumdog Millionaire" — 2009-10-25
• Peter of "Everybody Loves Raymond" — 2007-12-23
• Actor Peter of "Taxi Driver" — 1995-05-01