James H. Espenson, was a distinguished professor of Liberal Arts and Sciences, received his B.S. from the California Institute of Technology in 1958 and his Ph.D. from the University of Wisconsin in 1962. Following postdoctoral work at Stanford University, he joined the faculty at Iowa State. He has received the John A. Wilkinson award for excellence in teaching, an award from the Alfred P. Sloan Foundation, and is a fellow of the American Association for the Advancement of Science. He served as a member of the executive committee and as a councilor for the American Chemical Society Division of Inorganic Chemistry. Dr. Espenson was awarded the American Chemical Society Award for Distinguished Service in the Advancement of Inorganic Chemistry for 2004.