Historical clue formulations

• Musician/composer Andersson of Abba — 2025-02-15
• With 44-Across, onetime British slapstick comic — 2019-07-08
• Andersson of Abba — 2018-11-28
• Comic Jack of old radio and TV — 2013-04-01
• Jack who was famously frugal — 2004-06-01
• Goodman, the King of Swing — 1998-04-13
• Rochester's boss, in old TV — 1996-05-12
• He drew laughs from his "Well!" — 1995-12-24
• Celebrated tightwad of old — 1994-09-25