
FNSP, Paris
(1949-1950)

FNSP, Paris
(1950-1955)

Brussels
(1955-1960)

FNSP, Paris
(1960-1967)

Carnegie Endowment
(1967-1976)

University of Ottawa
(1976-1988)

University of Oslo
(1988-1994)

University College Dublin
(1994-2000)

Concordia University
(2000-2020)
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