Born in
Sayabec,
Quebec, he received a
Bachelor of Science degree in 1947 and a
Doctor of Medicine degree in 1951 from
McGill University. In 1953, he became a
General Practitioner in
Shawinigan, Quebec. In 1955, he became a Fellow at the
Mayo Clinic and received a
Master of Science in Medicine in 1958 from the
University of Minnesota. Returning to Canada in 1958, he became a consulting internist at the Notre Dame Hospital. In 1962, he became Vice Dean of the Faculty of Medicine at the
Université de Montréal and Head of the department in 1965. In 1968, he became Dean of the Faculty of Medicine at the
Université de Sherbrooke. From 1968 to 1970, he was Vice President of the Medical Research Council of Canada. From 1970 to 1974, LeClair was
Deputy Minister of
Health. In 1974, he joined the Ministry of Science and Technology and the
Treasury Board in 1976. In 1979, he joined the
Canadian National Railway as a Corporate Vice President becoming president and chief executive officer from 1982 to 1986. From 1987 to 1992, he was the vice-chairman of
CIBC. == Honours ==