Historical clue formulations

• Real genius — 2026-03-05
• The Wiz — 2025-12-28
• He postulated E = mc^2 — 2021-11-08
• Who said "The greatest scientists are artists as well" — 2021-08-07
• Time's Person of the Century — 2021-02-28
• Scientist who said "I have no special talents. I am only passionately curious" — 2020-07-12
• See 58-Across — 2013-12-11
• See 18-Across — 2013-03-14
• See 47-Down — 2008-10-05
• Brainiac — 2004-10-08
• Brainiac — 2000-04-27
• Genius — 1998-05-08
• Genius — 1997-10-02
• Genius — 1996-12-10
• Brain — 1996-09-12
• Real brain — 1996-04-05
• Genius — 1995-10-09