G�rard Deledalle (born 1921)holds the Doctorate in Philosophy from the Sorbonne. He is a Research Scholar at Columbia University, New York, and Attach� at the Centre National de la Recherche Scientifique, Paris, he was also successively Professor of Philosophy and Head of the Philosophy Department of the universities of Tunis (1963-1972), Perpignan (1974-1990), and Libreville (1977-1981). He was appointed Director of the Instut Franco-Japonais in Tokyo from 1972 to 1974. He has been Visiting Professor in Japan (Waseda University), China (Beijing and Wuhan), the United States (Bloomington) and Canada (UQAM). He has written extensively on American philosophy, Charles S. Peirce, and John… Dewey, pragmatism, and semiotics. He received in 1990 the Herbert W. Schneider Award "for distinguished contributions to the understanding and development of American philosophy." In 2001, he was appointed vice-president of the Charles S. Peirce Society.