Knowlton is survived by; daughters Tania Scales and Cindy Lill; grandchildren James Scales, Craig Young, Brandon Lill, Amber Lill and Cerrah Lill; and great-grandchildren Radly and Madison Scales.
He was preceded in death by his wife Sharon Whiteside; father Pascal Whiteside and mother Sylvia (Siener) Whiteside; brothers Len, Cleaburn and Henry Whiteside; and sister Phylis Raincourt.
Knowlton was a veteran of the U.S. Army, serving during the Korean War. He was a sheet metal worker for many years and in his spare time was an avid radio controlled airplane and boat hobbyist. He traveled throughout the region to attend RC racing events. Knowlton also loved motorcycle racing and riding and took and active and loving role as a father, grandfather and great-grandfather.
Visitation is Friday, July 5, 2019 from 4-8 pm at Lake View Funeral Home, 5000 N. Illinois St., Fairview Heights. A funeral service is at the funeral home 10 am Saturday, July 6. Interment will follow in Lake View Memorial Gardens.
Fond memories and expressions of sympathy may be shared at www.LakeViewFuneralHm.com for the Whiteside family.