Marcel André Guénin (born 1937) is a theoretical physicist and mathematician, and Professor Emeritus of the University of Geneva.
[1][2] He obtained his PhD in 1962 at the University of Geneva under the supervision of Ernst Stueckelberg with a thesis titled "Opérateurs de champ antilinéaires, T- et CP-covariance".
From 1983 to 1987 he was Rector of the University of Geneva.
[3] Jean-Pierre Eckmann was one of his PhD students.
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