EULER
Set to 26 different clues across 32 published puzzles, most often “Swiss mathematician” — The New York Times, Tuesday, 18 September 2001.
5 letters
Every clue on record, most used first
- Swiss mathematician4 times
The New York Times — Tuesday, 18 September 2001
- Calculus pioneer3 times
The New York Times — Thursday, 7 May 2009
- Noted blind mathematician2 times
The New York Times — Wednesday, 12 June 2002
- Swiss 5-Across pioneeronce
The New York Times — Wednesday, 15 June 2011
- Originator of the formula e^ix = cos x + i sin xonce
The New York Times — Wednesday, 20 April 2011
- Swiss who pioneered in graph theoryonce
The New York Times — Wednesday, 2 March 2011
- He introduced the symbol "e" for natural logsonce
The New York Times — Friday, 12 March 2010
- Introducer of the math symbol "e"once
The New York Times — Saturday, 25 April 2009
- "Institutiones Calculi Integralis" writeronce
The New York Times — Thursday, 14 August 2008
- Originator of the equation e to the power (pi * i) + 1 = 0once
The New York Times — Thursday, 24 July 2008
- Mathematician who introduced the function symbol f(x)once
The New York Times — Sunday, 5 August 2007
- Discoverer of the law of quadratic reciprocityonce
The New York Times — Saturday, 4 August 2007