Paulo Ribenboim

Paulo Ribenboim (born March 13, 1928) is a Brazilian-Canadian mathematician who specializes in number theory.

Biography
Ribenboim was born into a Jewish family in Recife, Brazil. He received his BSc in mathematics from the University of São Paulo in 1948, and won a fellowship to study with Jean Dieudonné in France at the University of Nancy in the early 1950s, where he became a close friend of Alexander Grothendieck. He has contributed to the theory of ideals and of valuations.

Ribenboim has authored 246 publications including 13 books. He has been at Queen's University in Kingston, Ontario, since the 1960s, where he remains a professor emeritus.

Jean Dieudonné was one of his doctoral advisors. Andrew Granville, Jan Minac, Karl Dilcher and Aron Simis have been doctoral students of Ribenboim.

The Ribenboim Prize of the Canadian Number Theory Association is named in his honor.

Personal life
In 1951, Ribenboim married Huguette Demangelle, a French Catholic woman who he met in France. The couple have two children and five grandchildren, and have lived in Canada since 1962.