Helvetius, in his work on man, referred all differences between our species and the lower animals to certain peculiarities of organization, and so prepared the way for a conception of human development out of lower forms as a process of physical evolution.
Best known of his French amies were Mme Helvetius, widow of the philosopher, and the young Mme Brillon, who corrected her " Papa's " French and tried to bring him safely into the Roman Catholic Church.
More and.more he learned from Cabanis and Helvetius to see in the will and the passions the determinants of intellectual life, and in the character and the temper the source of theories and beliefs.
Helvetius, Claude Adrien (1715-1771), French philosopher and litterateur, was born in Paris in January 1715.
He was descended from a family of physicians, whose original name was Schweitzer (latinized as Helvetius).