Age 91, of Mt. Lebanon, on Tuesday September 29, 2020. Beloved husband of the late Marilyn S. Nichol; loving father of Kathleen (Keith) McKain and Scott (Carol Orenstein) Nichol; grandfather of Kenneth Charles McKain, Andrew James McKain and Alexander Quinn Nichol; brother of John S. Nichol and May N. Dowlin; also survived by nieces and nephews. Born in Indiana, PA, Charles served in the United States Army, was a graduate of Muskingum College and the School of Business Administration at the University of Colorado. He enjoyed a long career in market research at U.S. Steel, Jones and Laughlin, Midland Ross and American Electric. A private graveside service will be held at Crestview Memorial Park in Grove City, PA.