Dave and Ruth Mast will celebrate their 40th wedding anniversary June 9, 2013. They were married June 9, 1973, at Northwood Chapel by the Rev. David Miller. Dave works in the technical training department at Zimmer, and Ruth works at home. They attend Nappanee Missionary Church. The couple have two sons, Jeffrey (and spouse Ruth), Los Angeles, Calif., and Eric, Merrit Island, Fla.; and two grandchildren.