Email Denis Rancourt. Dr. Denis G. Rancourt is a former tenured and Full Professor of physics at the University of Ottawa, Canada. He is known for his applications of physics education research. He has published over 100 articles in leading scientific journals, and has written many social commentary essays. He is the author of the book Hierarchy and Free Expression in the Fight Against Racism. While he was at the University of Ottawa, he supported student activism and opposed the influence of the Israel lobby on that institution, which fired him for a false pretext in 2009.