Skip to content

Portrait of Ken Hammond (cq), 90, at his home in Boulder, Colo., on Wednesday, April 18, 2007. Hammond spent 40 years as a professor of psychology and recently finished a book. (CHRIS SCHNEIDER/POOL) ** Ken Hammond (cq)

Portrait of Ken Hammond (cq), 90, at his home in Boulder, Colo., on Wednesday, April 18, 2007. Hammond spent 40 years as a professor of psychology and recently finished a book. (CHRIS SCHNEIDER/POOL) ** Ken Hammond (cq)