Answer: EINSTEIN
EINSTEIN is a crossword puzzle answer that we have spotted 43 times.
Referring Clues:
- Genius
 - Brainiac
 - See 47-Down
 - German genius
 - Relativity researcher
 - Mass-energy equation formulator
 - Mensa member?
 - Relativity name
 - Brain
 - Developer of the theory of relativity
 - Albert, the genius
 - A genius, relatively speaking?
 - Glass' "___ on the beach"
 - Name synonymous with genius
 - He was a genius, relatively speaking
 - Genius personified
 - Relativity formulator
 - Space-time guru
 - Physicist Albert
 - 'E = mc2' man
 - See 18-Across
 - Time's Person of the Century, 1999
 - "___ on the Beach" (Philip Glass's first opera)
 - Spacetime guru
 - See 58-Across
 - A genius, relatively speaking
 - 20th-century figure with a famous 56-Across represented literally six times in this puzzle
 - Element 99 honoree
 - Matthau's "I.Q." role
 - Element 99 is named for him
 - See 42-Down
 - Theory of relativity physicist
 - Brainy sort
 - Genius' moniker
 - Source of the quote
 - "smothers brothers" comic bob
 - Mastermind
 - Scientist who said "I have no special talents. I am only passionately curious"
 - Time's Person of the Century
 - Relatively famous physicist?
 - Who said "The greatest scientists are artists as well"
 - He postulated E = mc^2
 - "On the Electrodynamics of Moving Bodies" author
 
Last Seen In:
- LA Times - May 20, 2023
 - New York Times - November 08, 2021
 - New York Times - August 07, 2021
 - LA Times - April 29, 2021
 - New York Times - February 28, 2021
 - Universal - December 13, 2020
 - New York Times - July 12, 2020
 - King Syndicate - Eugene Sheffer - November 05, 2018
 - Netword - January 26, 2018
 - LA Times - November 16, 2016
 - USA Today - October 31, 2016
 - King Syndicate - Eugene Sheffer - May 27, 2016
 - Netword - February 29, 2016
 - LA Times - November 23, 2015
 - King Syndicate - Eugene Sheffer - September 14, 2015
 - Wall Street Journal - June 26, 2015
 - LA Times - January 09, 2015
 - New York Times - October 02, 2014
 - Universal - June 17, 2014
 - New York Times - December 11, 2013
 
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