Harold H. Wolff, 91, one of the founders of Wolff Bros. Supply, Medina, Ohio, died April 18 in Medina. He and his brother, Norm, started operating Wolff Bros. General Contracting in the 1950s, then later expanded into retail sales. The business was incorporated as Wolff Bros. Supply in 1965 and was converted into a wholesale operation in 1972. Currently all six of his children are involved in the business: Irene Hill, Barbara Lewis, Howard, George, Kenneth and Theodore Wolff. Harold Wolff was a member of the Medina County Plumber's Association. Memorial contributions may be made to Zion Lutheran Church, 2233 Abbeyville Rd., Valley City, OH 44280.