William A. Cooper ’56, of The Villages, Fla., formerly of Wolfeboro, N.H.; Mar. 19, of cancer. He was a member of Brown’s hockey team all four years and went on to be a math teacher and coach hockey, football, and baseball at Trinity-Pawling School in Pawling, N.Y. In 1959 he moved to Connecticut to work as an engineer for Southern New England Telephone, but in 1962 he returned to Trinity-Pawling to serve as chair of their math department, head of the Disciplinary Committee, and coach of the varsity hockey, junior varsity baseball, junior varsity football, and intramural tennis teams until his retirement in 1981. Trinity-Pawling inducted him into its Athletic Hall of Fame in 2003. An appointment as an educational consultant based in Avon, Conn., followed. Concurrently, he began working at the Wolfeboro Camp School as a teacher in 1967 and became head of school in 1977. He retired in 2005 and became a trustee. He enjoyed swimming, biking, sailing, tennis, golf, traveling, and cheering on the Boston Red Sox, Boston Bruins, and New England Patriots. He is survived by a daughter and her spouse, two sons and their spouses, six grandchildren, five great-grandchildren, a sister, four nieces and nephews, and his former wife, Joan Cooper.