Patricia Easton is a doctoral candidate in philosophy at Talbot College, University of Western Ontario.
Thomas M. Lennon is dean, faculty of arts, and professor of philosophy at the University of Western Ontario. He has translated several works by Malebranche and is coeditor of Problems of Cartesianism (1982).
Gregor Sebba was professor of humanities at the University of Florida and the author of Bibliographia Cartesiana: A Critical Guide to the Descartes Literature, 1800 to 1960.