Douglas Allchin is a AAAS Fellow and Resident Fellow at the Minnesota Center for the Philosophy of Science, and a historian and philosopher of science. Trained originally in evolutionary biology, he has contributed to field research in the Chesapeake Bay, Rocky Mountains, and Panama. He received his Ph.D. in the Conceptual Foundations of Science from the University of Chicago. His historical work on late phlogistonists and the ox phos controversy in bioenergetics are widely respected. He is also internationally renowned for efforts to integrate history and philosophy into science teaching, recognized by the History of Science Society's Hazen Prize.