Edited sentence: His 1992 book The Eclipse of Darwinism: Anti-Darwinian Evolution Theories in the Decades Around 1900 describes the scientific and social challenges to Darwinism which led many to abandon the theory in the first part of the twentieth century.In the 1970s he taught at the School of Humanities, Universiti Sains Malaysia, Penang.Peter Bowler holds a BA from the University of Cambridge an MSc from the University of Sussex and a PhD from the University of Toronto.The Eclipse of Darwinism: Anti-Darwinian Evolution Theories in the Decades Around 1900 (Johns Hopkins University Press, 1992)