Commonwealth Club Of California Podcast

Rarely does a historian of science have the opportunity, in the midst of changing trends in a science, to point backwards in time and explain how dismissive reactions to the ideas of a scientific pioneer might have harmed the accuracy of that science for centuries. Jessica Riskin has seized such an opportunity in her new book about the French naturalist Jean-Baptiste Lamarck (1744–1829), who proposed the first evolutionary theory of life and, with it, a new science: biology. For centuries evolutionary theorists have discredited Lamarck due to his theory of self-transforming organisms, since they rejected (and mocked) the idea that animals could play an active role in shaping their own evolution. But new findings suggest that Lamarck’s basic claim was, in many ways, correct. Riskin also argues that that denial of the agency of living beings led to two centuries of eugenic policies and environmental destruction, encouraging people to regard the living world as so much raw material to be shaped and exploited f