Oleg G. Zawadowych, 74, of Denver; loving father of Marko and Natalia; grandfather of Natasha. He was a mechanical engineer at Gates, Martin Marietta, Honeywell, and Stearns-Rogers.  He was one of the founders of the Ukrainian Orthodox Church in Denver.  Visitation Friday from 3-8 P.M. with Memorial Service at 6 P.M. Funeral Service Saturday 11 A.M., all services at Newcomer Family Chapel. Interment to follow at Crown Hill Cemetery.