Raymond Dean Astumian

Raymond Dean Astumian is an American chemical and theoretical biophysicist. He is a professor at the University of Maine.

In 2000, he was elected a fellow of the American Physical Society "or fundamental contributions to understanding the thermodynamics and mechanism of transduction of energy from a non-equilibrium chemical reaction to drive directed transport by molecular motors and pumps." Astumian won the Humbolt Research Award from the Alexander von Humboldt Foundation in 2009 for, "very important contributions to the theory of Brownian motors and the influence of thermal noise on biological systems." . He won the 2011 Feynman Prize for Theory. . In 2016, he was elected a fellow of the American Association for the Advancement of Science. .