Background
Crahay, Marcel was born on July 11, 1951 in Sprimont, Belgium. Son of Arnold Crahay and Alice Pirard.
Crahay, Marcel was born on July 11, 1951 in Sprimont, Belgium. Son of Arnold Crahay and Alice Pirard.
Doctor of Philosophy in Psycholy, University Liège, Belgium, 1974.
Professor educational psychology University Liège, 1986—2004, University Geneva, since 2004.
Children: Olivier, Cédric, Audrey.