Thomas Dudley Cabot; Industrialist and Conservationist

Thomas Dudley Cabot, 98, industrialist, public servant, conservationist and philanthropist. Cabot started out working for Cabot Corp., founded by his father in 1882, and built it into the world’s largest producer of carbon black, used in printing ink, paint and automobile tires. Cabot bought uninhabited islands off Maine to preserve their ecology, donated a 176-acre forest in New Hampshire to the New England Forestry Foundation and established a scholarship fund at Radcliffe College in honor of his wife. He served as director of international affairs for the State Department under President Harry S. Truman in 1951, and two years later served that department as a consultant on an industrial and economic development mission to Egypt. In Weston, Mass., on Thursday.