Rondal Thomas Rittmaier, 51 of Beach City passed away suddenly and unexpectedly on July 15, 2015. He was born at Massillon, the son of Vivian Krantz Rittmaier and the late Jack Rittmaier and had owned and operated R. T. Rittmaier Metrology Laboratory in Beach City. He was a 1982 graduate of Fairless High School. In addition to his father, he was preceded by brother Rick Rittmaier. Surviving are his mother, a brother and sister in law, Roderick and Randi (Davis) Rittmaier of Waldenbuch, Germany; and one nephew, Erich Rittmaier, also of Waldenbuch, Germany. A memorial service for Rondal will be held, 10:30 Saturday, July 25, 2015 in Lantzer Funeral Home with Father Robert Kaylor officiating. Inurnment will be made in South Lawn Cemetery, Beach City. Friends may call from 9:30 to 10:30 at the funeral home.