David Slowinski

David Slowinski is a mathematician involved in prime numbers. His career highlights have included the discovery of seven Mersenne primes:

2⁴⁴⁴⁹⁷−1 on April 8, 1979
2⁸⁶²⁴³−1 on September 25, 1982
2¹³²⁰⁴⁹−1 on September 19, 1983
2²¹⁶⁰⁹¹−1 on September 1, 1985
2⁷⁵⁶⁸³⁹−1 on February 17, 1992
2⁸⁵⁹⁴³³−1 on January 4, 1994
2^1257787−1 on September 3, 1996

He has also written several textbooks on the subject.
Slowinski was a software engineer for Cray Research.