KEMPER, Frank William, age 72, of Dayton, passed away Friday, December 30, 2022 at Preserve at Beavercreek.  Frank was an Engineering Manager at Duriron/Flowserve, retiring after 33 years of service.  He was a member of Our Lady of the Rosary Catholic Church and a U.S. Air Force Veteran of the Vietnam War.  Frank was preceded in death by his parents, John & Angela Kemper; brother, Jack; nephews, Chris Helton and John Kemper; brothers-in-law, Bob Magoch and Jerry Hetzel.  He is survived by his loving wife, Gretchen L.; sons & daughter-in-law, Tim Kemper of Kettering, Matt & Heather Kemper of Tipp City; sisters, Jean Nienhaus and Diane Hetzel; sister-in-law, Mary Magoch; grandchildren; Maddox & Mylah; many nieces & nephews; and many other relatives & friends.  Mass of Christian Burial 11 AM Friday, January 13, 2023 at Our Lady of the Rosary Catholic Church, 22 Notre Dame Avenue.  Interment Calvary Cemetery.  The family will receive friends at the church on Friday from 10 AM until service time.  If desired, memorial contributions may be made to St. Vincent DePaul or Our Lady of the Rosary in Frank’s memory.  Funeral arrangements entrusted to Marker & Heller Funeral Homes, Huber Heights Chapel.