George B. Purdy

George Barry Purdy
Born20 February 1944
Died30 December 2017
Cincinnati, Ohio, United States
Alma materUniversity of Illinois
Known for
Scientific career
FieldsMathematics and computer science
Institutions
Doctoral advisor
Other academic advisorsRichard Rado
Notes
He has an Erdős number of one.

George Barry Purdy (20 February 1944 – 30 December 2017)[2] was a mathematician and computer scientist who specialized in cryptography, combinatorial geometry, and number theory. Purdy received his Ph.D. from the University of Illinois at Urbana–Champaign in 1972, officially under the supervision of Paul T. Bateman,[3][1] but his de facto adviser was Paul Erdős.[citation needed] He was on the faculty in the mathematics department at Texas A&M University for 11 years, and was appointed the Geier Professor of computer science at the University of Cincinnati in 1986.

Purdy had Erdős number one and coauthored many papers with Paul Erdős, who regarded him as his own student.[citation needed] He is the "P" in G.W. Peck, a pseudonym for the group of mathematicians that also included Ronald Graham, Douglas West, Paul Erdős, Fan Chung, and Daniel Kleitman.[4]

  1. ^ a b George Barry Purdy at the Mathematics Genealogy Project
  2. ^ "Dr. George B. Purdy Phd Obituary - Cincinnati, OH | ObitTree™". obittree.com. Retrieved 2018-01-06.
  3. ^ Purdy, George Barry (1972). Some Extremal Problems in Geometry and the Theory of Numbers (PhD thesis). University of Illinois at Urbana-Champaign. OCLC 08525828.
  4. ^ Peck, G. W. (2002). "Kleitman and combinatorics: a celebration". Discrete Mathematics. 257 (2–3): 193–224. doi:10.1016/S0012-365X(02)00595-2.