John Charles DifferdingJohn Charles "Jack" Differding, 68, of Harvard, IL, passed away on December 12, 2016 at his home. Jack was born on February 28, 1948 to Charles J. and Claire E. (Cushing) Differding in Chicago, IL. On October 28, 1972, he married Barbara Jo Jensen at Trinity Lutheran Church in Park Forest, IL. Jack began his career, as a school psychologist, at SEDOM in 1977. He continued his career there until retirement in 2011. Jack was a long-time member of the National Association of School Psychologists and the Illinois School Psychologists Association. He was named "Practitioner of the Year" by the ISPA in 1992. Jack had also belonged to the Illinois Retired Teachers Association. Jack was an avid collector and seller of sports cards and memorabilia through his business "JCK Sports Cards". Jack is survived by his wife, Barbara; mother, Claire; 2 children, Christopher (Eva Ambler) Differding of Peru, IL, and Kimberly Differding of Harvard, IL; 4 grandchildren; 8 siblings, Jim (Jim Dickes) Differding, Virginia Differding, Bill (Linda) Differding, Nancy (Frank) Jones, Paul (Laura) Differding, Susan (Jerry) Niendorf, Sally (Craig) Berry, and Michael (Dana) Differding. He was preceded in death by his grandparents; father Charles; 4 uncles and 1 aunt. A memorial gathering will take place from 4:00pm to 8:00pm, Thursday, December 15, 2016, at Saunders & McFarlin Funeral Home, 107 W. Sumner St. Harvard, IL. A memorial service will take place at 10:00am on Saturday, December 17, 2016, at St. Irenaeus Church in Park Forest, IL. In lieu of flowers, donations may be made to the Prostate Cancer Foundation, 1250 Fourth St., Santa Monica, CA 90401, www.pcf.org, or to the U of Wis. Carbone Cancer Center, 600 Highland Ave., 646, Madison, WI 53792, www.uwhealth.org/givetoresearch. Family and friends may sign the online guestbook at www.saundersmcfarlin.net. For more information you can call the funeral home at (815) 943- 5400.