GUYAU, JEAN MARIE (1854-1888), French philosopher, was born on Oct. 28, 1854, at Laval and died on March 31, 1888, at Mentone. Ill-health required him to resign his professorship at the Lycee Condorcet and to live in the French Sudan where he devoted himself to questions of aesthetics, ethics and religious philosophy. His chief works are : Memoire sur la Morale utilitaire, depnis Epicure jusqu'a l'ecole anglaise (1878, 7th ed. 1913) ; Esquisse d'une morale sans obligation ni sanction (1885, 2nd. ed. 189o) and L'irreligion de l'avenir (1887, 7th ed. 1904).
See H. Hoff ding, Modern Philosophers (1905) ; G. Asian, La morale selon Guyau (1906) ; and E. Bergmann, Die Philosophie Guyaus (1912).