Historical clue formulations

• Pb, in chemistry — 2026-05-11
• What first has over second — 2026-03-07
• Tip — 2026-01-23
• Its symbol is Pb — 2025-09-02
• Headliner — 2024-02-17
• Bid first, say — 2023-11-19
• Metal that an alchemist "converts" into gold — 2023-08-21
• Start of a detective's trail — 2023-05-14
• ___ climbing (discipline that debuted at the 2020 Olympics) — 2023-02-24
• Headliner — 2023-02-21
• Heavy metal — 2022-11-09
• Direct — 2022-09-09
• Help for a case — 2022-08-20
• Starring role — 2022-08-01
• One getting top billing — 2021-09-07
• Top-billed performer — 2021-05-12
• Heavy metal — 2020-07-24
• Heavy metal — 2019-11-17
• Weapon in Clue — 2019-09-18
• Aid for a detective — 2019-08-11
• Play auditioner's hope — 2019-05-25
• Pb — 2019-02-24
• Clue for a detective — 2018-12-07
• Pb, to chemists — 2017-09-11
• Main role — 2017-05-09
• Pb, to a chemist — 2016-07-18
• Show the way — 2015-12-28
• It blocks Superman's X-ray vision — 2015-12-07
• Modern paint no-no — 2015-10-20
• Heavy metal — 2015-08-13
• With 42-Down, literally, control completely — 2015-08-06
• Dancer Fred Astaire, to Adele — 2015-07-17
• Radiation shield material — 2015-02-22
• Starring role — 2012-10-22
• Period for preparation — 2012-06-28
• Fat part — 2012-04-07
• Detective's aid — 2012-03-20
• Alchemy material — 2012-01-26
• Sleuth's quest — 2010-12-03
• With 34-Across, slag furnace input — 2010-08-27
• Male ballroom dancer, traditionally — 2010-08-10
• X-ray vision blocker — 2009-09-14
• Starring role — 2009-04-23
• Pb, in chemistry — 2009-04-06
• Chief — 2007-10-05
• Aid for a detective — 2006-11-19
• Essential for an investigator — 2006-01-18
• Galena extract — 2005-08-10
• Show the way — 2005-06-21
• __ poisoning — 2005-05-04