Historical clue formulations

• One navigating a maze, maybe — 2022-12-12
• Common experiment subject — 2021-11-18
• Maze explorer — 2019-09-08
• Maze runner in an experiment — 2019-01-07
• Small test subject — 2016-10-13
• Maze solver — 2014-04-03
• Maze explorer — 2013-08-25
• Maze runner — 2010-10-12
• Experiment runner? — 2009-01-04
• Maze scurrier, maybe — 2003-12-02
• Maze runner — 2002-12-23
• A-mazing animal? — 2001-05-17
• One of a study group? — 1999-09-05
• Experimental animal — 1995-07-18