Historical clue formulations

• Obsessive cleaner, say — 2020-06-28
• Fastidious sort — 2016-08-22
• One whose work is picking up? — 2015-06-27
• Unlikely hoarder — 2011-11-26
• One picking up a lot — 2010-04-02
• Slob's opposite — 2010-01-26
• One who loves pick-ups? — 2009-08-09
• Order lover — 2006-01-21
• Slob's opposite — 2001-10-22
• Tidy type — 2001-04-20