Reeves attended Collège Jean-de-Brébeuf, a prestigious French-language college in Montreal. He obtained a BSc degree in physics from the Université de Montréal in 1953, an MSc degree from McGill University in 1955 with a thesis entitled “Formation of Positronium in Hydrogen and Helium” and a PhD degree at Cornell University in 1960. His PhD thesis was “Thermonuclear Reaction Involving Medium Light Nuclei.”.
Director of research, Centre Nationale de al Recherche Scientifique, Paris, since 1965; assistant professor, U. Montreal, 1960-1964; associate professor department physics, U. Montreal, since 1989. Consultant Institute for Space Studies, National Aeronautics and Space Administration, New York, visiting professor U. Libre de Bruzelles, Belgium, 1964-1965.
Member Academy Canadienne-Francasie, Grand Prix de la Francophonie décerné par l'Academy Francaise.
M. Camille Scoffier, February 2, 1987. Children: Gilles, Nicolas, Benoit, Evelyne.