Mr. Sargeant grew up in Spokane, Wash. A graduate of Harvard University and Harvard Law School, Mr. Sargeant spent more than 50 years at the firm of Ropes & Gray. He served as managing partner and was known for nurturing young lawyers.
He was also a lecturer at Harvard Law School and an adjunct professor at Boston College Law School. He served in the US Army in 1942.
Mr. Sargeant leaves his wife, Helene (Kazanjian); a sister, Louise Brown, of Anacortes, Wash.; and a brother, James of Moose Jaw, Saskatchewan.
A memorial service will be held today
Born in Whitinsville, Dr. Cassidy lived in several states and countries, including Germany and Korea. He earned a degree in dentistry from Tufts University and a doctorate in public health from Johns Hopkins University. He earned the rank of colonel in the US Army.
As assistant dean at Tufts School of Dental Medicine and later as the school's associate dean for academic and community affairs, Dr. Cassidy developed several programs which were used as models around the country, colleagues said. One of these was called a program that which allowed dental students to work in various dental settings to gain real-life experience.
He leaves his wife, Maureen McCarthy of Medford; a brother, Frank of Auburn; a sister, Maureen Rounds of Mashpee; nine children, Sheila White of Lanham, Md.; Linda Ross of Port Charlotte, Fla.; Mike of Churchton, Md.; Christine Bredbenner of Lanham, Md.; Debora Cupp of Billerica; Terry of Lebanon, Pa.; Daniel of Stowe; Rick of Edgewater, Md.; and Megan Drake, of Palmyra, Va.; 22 grandchildren; and two great-grandchildren.
Services are private.