Craig A. Townsend is the Alsoph H. Corwin Professor of Chemistry and holds joint appointments in the Departments of Biology and Biophysics. He received his B.A. with Honors in chemistry from Williams College and his Ph.D. in organic chemistry from Yale University, where he was an NIH Predoctoral Fellow and won the Richard L. Wolfgang Prize. He was then an International Exchange Postdoctoral Fellow of the Swiss National Science Foundation at the ETH in Zurich, and joined the faculty at Johns Hopkins in 1976