The Pfizer Award in Enzyme Chemistry, formerly known as the Paul-Lewis Award in Enzyme Chemistry[1] was established in 1945. Consisting of a gold medal and honorarium, its purpose is to stimulate fundamental research in enzyme chemistry by scientists not over forty years of age. The award is administered by the Division of Biological Chemistry of the American Chemical Society and sponsored by Pfizer.[2][3] The award was terminated in 2022.[3]