1. CHAITAN KHOSLA, a Fellow of the American Academy since 2007, is Professor of Chemistry, Chemical Engineering, and (by courtesy) Biochemistry at Stanford University. He also directs Stanford ChEM-H, an institute that brings together chemists, engineers, biologists, and clinicians to understand life at a chemical level and apply that knowledge to improving human health. His work on antibiotic biosynthesis and the molecular basis for celiac disease has been published in Science, Journal of the American...