Hatred, for the man who is not engaged in it, is a little like the odor of garlic for one who hasn't eaten any.

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Rostand was active in several causes in particular against nuclear proliferation and the death penalty. His scientific work covered a variety of biological fields such as amphibian embryology parthenogenesis and teratogeny while his literary output extended into popular science history of science and philosophy. Jean Rostand (October 30 1894 Paris – September 4 1977 Ville-d’Avray) was a French biologist and philosopher.

Jean Rostand (October 30 1894 Paris – September 4 1977 Ville-d’Avray) was a French biologist and philosopher. His scientific work covered a variety of biological fields such as amphibian embryology parthenogenesis and teratogeny while his literary output extended into popular science history of science and philosophy.