Historical clue formulations

• Peabrain? — 2019-03-30
• Gregor who pioneered in genetics — 2017-12-20
• Pea nut? — 2017-04-16
• Pea-brained researcher? — 2014-06-27
• 19th-century abbot and scientist — 2013-11-22
• Pea observer — 2010-12-05
• The Father of Genetics — 2009-06-28
• Botanist Gregor — 1996-08-17
• Botanist Gregor — 1994-03-27