John B. Trethaway ’47

John B. Trethaway ’47 of New London, New Hampshire, died on January 30. He was born in Wilkes Barre, Pennsylvania, and grew up in Wellesley, Massachusetts. He joined the Navy as a V-5 pilot student and was assigned to Dartmouth in the V-12 program. He attended Harvard Business School and started his career as a store manager with F.W. Woolworth Corp. He joined Westvaco in 1955 and retired in 1973 as senior marketing executive to care for his wife, who suffered from early-onset Alzheimer’s disease. They moved to Peru, Vermont, where he was owner and manager of the Manchester Hardware Co. His wife died in 1985. When living in Pound Ridge, New York, Peru and Grantham, New Hampshire, John was active in local activities and community service. He served as an administrative law judge in Montpelier, Vermont, as well as working for the commissioner of development for the State of Vermont. In 1985 he was named Vermont Man of the Year by the Vermont Retail Association. He continued to enjoy skiing, which he pursued in college and then taught as a professional instructor until age 83. For many years he directed the Senior Cruiser Ski Club at Mount Sunapee, New Hampshire. He enjoyed swimming, kayaking and sailing at his summer home on Lake Sunapee. He was a dedicated son of Dartmouth and served on innumerable committees on behalf of his class, most recently as class president from 2002 until his death. He is survived by his second wife, two children and six stepchildren.


Portfolio

Book cover for Conflict Resilience with blue and orange colors
Alumni Books
New titles from Dartmouth writers (May/June 2025)
Woman wearing collard shirt and blazer
Origin Story
Physicist Sara Imari Walker, Adv’10, goes deep on the emergence of life.
Commencement and Reunions

A sketchbook

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Ben Rice ’22
A New York Yankee on navigating professional baseball

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