Born on March 25, 1928, in Chester, Penn., as Umbert M. Cantalamessa, he maintained that name until 1956, when it was changed legally. He prepared for college at Girard High School in Philadelphia, with an additional year at the Post High School, so that he entered Bowdoin as a sophomore. He was a member of Alpha Rho Upsilon Fraternity. Following his graduation cum laude in 1948, he became a realty specialist with the Pennsylvania Railroad Company in Philadelphia. In 1954 and 1955, he served in the U.S. Army as a corporal. He received a master of arts degree in political science from the University of Pennsylvania in 1956, and then became a title correspondent with the U.S. government in Washington, D.C. From 1959 until his retirement in 1987, he was employed by the U.S. Redevelopment Land Agency and later the Environmental Protection Agency. He is survived by his wife, JoAn Clark; two daughters, Denise M. Lienesch of Huntingtown, Md., and Valerie A. Shipman of Goldendale,Wash.; a son, Christopher M. Clark of Seattle,Wash.; a sister; and five grandchildren.