Sahotra Sarkar specializes in the history and philosophy of science and conservation biology; he helped develop the framework for systematic conservation planning for the protection of biodiversity (as co-author, with Chris Margules, of Systematic Conservation Planning). He also co-edited The Philosophy of Science: An Encyclopedia and A Companion to the Philosophy of Biology. He is the author of Doubting Darwin?: Creationist Designs on Evolution (Blackwell), Genetics and Reductionism, Molecular Models of Life, and Biodiversity and Environmental Philosophy. He is a professor of Philosophy and Integrative Biology at the University of Texas at Austin.