EULER

Swiss mathematician, d. 1783 (5)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,311 — 2022-08-16 23:00:05
  6D: Hugely influential Swiss mathematician, d. 1783 (5)
• Quick crossword No 15,784 — 2020-12-08 00:00:53
  11A: Swiss mathematician, d. 1783 (5)