DAVID S. DUNAVAN, a retired electro-optical engineer, died Dec. 21, 2003 at age 72. The son of the late Caryl C. Dunavan ’22, he received a master’s degree from the Massachusetts Institute of Technology. He was also a U.S. Navy veteran. An avid sailor and environmentalist, he was a longtime member of the Norwalk (Conn.) Harbor Management Commission. He is survived by his wife, Sally B. Dunavan; a son; and two daughters, including Caryl Dunavan ’85.