
Jack Knowles, former owner of Hillsboro Sentry-Enterprise, dies at 85
John "Jack" Knowles, former owner of the Hillsboro Sentry-Enterprise, died May1, 2022, following a battle with vascular dementia. He was 85.
Knowles spent the first 30 years of his journalism career at the Chicago Tribune, starting as a copy boy at 18 years old and working up to editor of the foreign news desk. He left the newspaper in 1989, moving his young family to a small farming community in Wisconsin and purchasing the Sentry-Enterprise. Knowles sold the newspaper to Morris Newspaper Corporation of Wisconsin in 2004.