Carl R. Riehm *61

Carl was born May 2, 1935, in Kitchener, Ontario. He died there March 16, 2021 at age 85. 

Carl earned a bachelor’s degree from the University of Toronto in 1958 and a Ph.D. in mathematics from Princeton in 1961. He was a professor of mathematics at McGill University, the University of Notre Dame, and McMaster University, and was a visiting professor at Harvard. At the Institute for Advanced Study, he was a member of the School of Mathematics from 1966 to 1967 and returned as a visitor in 1987.

Carl remained active in retirement and was a founding member of the Fields Institute for Research in Mathematical Sciences at the University of Toronto.  He was the author of 20 frequently cited scholarly articles. His book Introduction to Orthogonal, Symplectic and Unitary Representations of Finite Groups was published by the American Mathematical Society.

Carl’s lifelong passions included bird-watching, squash, gardening, wine, and Alsace. He will be remembered for the lovely and funny stories he told at gatherings of family and friends. He was a man of steadfast integrity and honesty. 

Carl is survived by his wife of 62 years, Elaine; sons Derek and Marc; and six grandchildren. 

Graduate alumni memorials are prepared by the APGA.