Historical clue formulations

• Fictional character whose first name is Kentaro — 2011-10-01
• Secret agent created by a 1938 Pulitzer winner — 2009-10-03
• Detective played by Peter Lorre — 2008-11-25
• The last novel featuring him was "Stopover: Tokyo" — 2007-07-06
• Peter Lorre role in eight movies — 2005-12-13
• Asian clue collector — 2003-11-01
• Marquand sleuth — 1999-10-17
• Fictional Interpol agent — 1999-09-22
• Longtime Peter Lorre role — 1996-05-05
• Marquand sleuth — 1996-04-14