David Slowinski

David Slowinski is a mathematician involved in prime numbers. His career highlights have included the discovery of several of the largest known Mersenne primes:
244497−1 (M27) on April 8, 1979
286243−1 (M28) on September 25, 1982
2132049−1 (M30) on September 19, 1983
2216091−1 (M31) on September 1, 1985
2756839−1 (M32) on February 17, 1992
2859433−1 (M33) on January 4, 1994
21257787−1 (M34) on September 3, 1996
He has also written several textbooks on the subject.
Slowinski was a software engineer for Cray Research.