Howard Leonard Reuben, D.M.D. died June 17 in Hartford. He was the husband of Maryann Nicholas Reuben. Born in Hartford, he was the son of Sadye Aaron Reuben and David N. Reuben. He was a World War II veteran. In addition to his wife, he is survived by his children, Daniel Reuben and his wife Christy of Mt. Pleasant, S.C., and Amy Calvert and her husband John of Woodland Hills, Calif.; his grandchildren, Grace, Sophie, Quinn, Kathryn and Emma; and his sister Barbara and her husband Ira Levin of West Hartford.