The Society of Toxicology (SOT) has learned of the passing of Robert C. Baldwin, PhD, DABT. Dr. Baldwin joined SOT in 1996 and was a member of the Dermal Toxicology, Inhalation and Respiratory, and Nanotoxicology Specialty Sections. During his career, he was a member of the Mid-Atlantic as well as both the Northern and Southern California Regional Chapters.