John C. (Jack) Instone, age 91, passed away on May 9. Beloved husband of Mary E. (nee Ketchell) for 66 years. Loving father of Linda Adamovic (Bob) and John C. Jr. (Lynette). Dear Grandfather of Tina Thomstatter (Jason). Great Grandfather to cherished Zachary and Summer. Jack (and Mary) were long time Cherry Hill, residents, more recently living in Brightview Greentree, Marlton. His passion was big band music. Jack played the trumpet and in the 1940s formed his own band that successfully played throughout the Philadelphia area. In later years, he enjoyed playing keyboards. Jack graduated from Drexel University with a Bachelor of Science degree in mechanical engineering. He developed and received patents on numerous devices during his career. Jack was a 28-year employee and retired President and CEO of SL Industries, Inc., Mt. Laurel. Relatives and friends are invited to the viewing 9–11 a.m. and to the funeral service 11 a.m. Wednesday, May 13, at the Bradley Funeral Home, Route 73 and Evesham Road., Marlton. Interment will be private at the request of the family.