Historical clue formulations

• Norman Vincent ___, "The Power of Positive Thinking" author — 2024-12-01
• Charles Willson ___, George Washington portraitist whose name is apt for this puzzle's theme — 2024-05-07
• Portrait painter Rembrandt ___ — 2020-10-19
• Norman Vincent ___, best-selling author of "The Power of Positive Thinking" — 2019-09-13
• Norman Vincent ___, best-selling motivational writer — 2019-06-08
• Portraitist with a Baltimore museum named after him — 2017-11-25
• Norman Vincent ___, author of "The Power of Positive Thinking" — 2014-09-29
• "Positive thinking" pioneer — 2013-09-20
• Guideposts magazine founder — 2012-02-25
• "The Power of Positive Thinking" author — 2010-10-10
• "Positive thinking" exponent — 2010-07-22
• Positive thinking proponent — 2009-11-29
• Artist Rembrandt — 2009-11-07
• "Positive thinker" Norman Vincent ___ — 2009-03-09
• American Revolutionary portraitist — 2005-02-16
• Baltimore's ___ Museum — 2004-10-27
• "The Power of Positive Thinking" writer — 2002-07-03
• Artist Rembrandt ___ — 2001-01-16
• Norman Vincent ___ — 2000-03-07
• Positive thinking proponent — 1998-12-22
• Portraitist displayed in Independence Hall — 1998-08-08
• "Positive Thinking" proponent — 1998-08-05
• Inspirationalist Norman Vincent ___ — 1997-01-28
• Rembrandt, the painter — 1995-01-18
• Painter Charles Willson _____ — 1993-11-25