Related Clues:
- Portrait on a 1990s 10 Deutsche Mark note
- Basel-born mathematician
- Swiss calculus pioneer Leonhard
- Mathematician Leonhard
- Swiss who pioneered in graph theory
- Originator of the formula e^ix = cos x + i sin x
- Swiss 5-Across pioneer
- Mathematician whose work led to the invention of 4-Down
- Friend and colleague of Bernoulli
- Noted blind Swiss mathematician
- The French in their way backing Swiss mathematician
- Grease monkey said to be a mathematician
- Mathematician sounds useful with troubled waters
- Pioneering mathematician
- Bernoulli contemporary