Historical clue formulations

• Old fogy — 2022-08-06
• Old, ineffective sort — 2020-02-18
• Senile sort — 2020-01-18
• Weak-minded type — 2019-01-13
• Senile sort — 2015-03-06
• Senile sort — 2015-01-25
• Senile sort — 2010-04-05
• Senile sort — 2003-09-28
• Graybeard — 2003-07-20