Gerald N. Wogan, the Underwood Prescott Professor of Biological Engineering, Chemistry, and Toxicology emeritus at MIT, passed away after a long illness on July 16 at the age of 91. “Jerry” Wogan was a pioneering scientist who isolated, characterized, and established the mechanisms of action of many environmental toxins of great relevance to global public health. His leadership on aflatoxin research, a toxin that impacts the lives of billions of people, is a paradigm for environmental toxicology. His work ranged from basic mechanistic studies at the cell level to the…