Peter Arnold Sr. ’51 died of cancer on September 23, 2009, in Arundel, Maine.

He was born in Andover, Mass., on February 21, 1928, and prepared for college at St. Paul’s School in Concord, N.H. His education at Bowdoin, where he was a member of Sigma Nu fraternity, was interrupted by service in the Marines Corps during the Korean War. He returned to graduate in 1953 but remained a member of the class of 1951. He went on to earn a master’s degree in American history from Boston University. He worked for two years at the Gair Paper Co., and then the Boston Museum of Science, before beginning a 36-year career teaching at Middlesex School in Concord, Mass. In addition to teaching history and biology, he coached boy’s varsity hockey for 26 years, and was responsible for establishing a girl’s hockey program at the school. When he retired, he was honored with the creation of the Peter Arnold endowed chair in history. He was a member of the Maine and York County Audubon societies, the NRA, the Marine Corps League, Laudholm Trust, Saint Andrew’s Society of Maine, the York County Fish & Game Association, Inc. and a number of historical societies. He also served six years as a trustee of the Fenn School in Concord, Mass. He is survived by two sons, Peter Arnold Jr. and Stephen Arnold; a daughter, Suzanne Wendell “Wendy” Arnold Crowley ’80; and six grandchildren. He was predeceased by his wife of 29 years, Suzanne Carver; by a brother, Bill; and a sister, Patricia.