Michael Soulé, PhD. was professor emeritus of Environmental Studies at the University of California, Santa Cruz. He wrote and edited nine books on biology, conservation biology, and the social and policy context of conservation. Michael published more than 170 articles on population and evolutionary biology, fluctuating asymmetry, population genetics, island biogeography, environmental studies, biodiversity policy, nature conservation, morality, and ethics. He was founder of the Society for Conservation Biology and the Wildlands Project and had been the president of both. Michael consulted internationally on nature protection and was co-chair of the Science Council for Australia’s Wild Country Project.