Mathematicians born on this day:
1687 : Nicolaus(I) Bernoulli |
Mathematicians who died on this day:
1881 : Heine |

Enrico Betti | Eduard Heine | Waclaw Sierpinski |

**Harry S Vandiver** (1882 - 1973)

It is not known if there are infinitely many Wilson primes. This question seems to be of such a character that if I should come to life any time after my death and some mathematician were to tell me that it had definitely been settled, I think I would immediately drop dead again.

[Wilson primes satisfy (*p* - 1)! = -1 mod *p*^{2}.

5, 13, and 563 are the only Wilson primes less than 5 × 10^{8} ]

Quoted in D MacHale, *Comic Sections * (Dublin 1993)

Another quotation by one of today's mathematicians

JOC/EFR April 2015
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