Cappon has a Bachelor of Arts degree in Political Science and Economics from McGill University (1968), a Master's degree (1970) and doctorate (1972) in Sociology from the University of Paris, and a Doctor of Medicine degree from McMaster University (1980) [REF].
Cappon was based in Halifax, Nova Scotia during the mid-1980s and was a prominent member of the Coalition Against Nuclear War organization in that city [REF].