Chester Hamlin Werkman (1893-1962) received a B.S. (1919) from Purdue University and his M.S. and Ph.D. from Iowa State (1923 and 1944, respectively). He joined the Iowa State staff in 1921 and from 1945-1957 was a professor and head of bacteriology. Dr. Werkman was one of Iowa State’s most noted scientists. His most notable research led to the discovery of Carbon 12; a tracer element used in plants and in the body. His publications and honors were many. In 1950, he received the Pasteur Award presented annually to the outstanding bacteriologist in the Middle West.