Samuel S. Wagstaff Jr.
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Samuel Standfield Wagstaff Jr. is a professor of computer science at Purdue University who coordinates the Cunningham project, a project to factor numbers of the form bn ± 1, since 1983.
Wagstaff received his Ph.D. in 1970 from Cornell University.[1]
In 1980, Wagstaff coauthored with Paul Erdős a paper entitled "The Fractional Parts of the Bernoulli Numbers" in the Illinois Journal of Mathematics, giving him an Erdős number of 1.
Professor Wagstaff was one of the founding faculty of CERIAS at Purdue, and its precursor, the COAST Laboratory.
