Michael G. Kolessar, 80, of Orland Park and formerly of Riverside, died Feb. 21, 2011.

Born on March 22, 1930, Mr. Kolessar served in the U.S. Air Force and was a member of American Legion Post 111. He was a professor at Moraine Valley Community College prior to retirement.

Mr. Kolessar is survived by his wife, Jean Kolessar (nee Haduch); his children, Steven (Gloria) Kolessar, Thomas Kolessar, Timothy (Cathy) Kolessar, and his grandchildren, Noelle, Kristen, Antonio, Christopher and Sara. He was preceded in death by his daughters, Mary and Theresa Kolessar.

Visitation will be Thursday, Feb. 24, from 2 to 8 p.m. and from 8:30 to 9:30 a.m. on Friday, Feb. 25, at Ivins/Moravecek Funeral Home, 80 E. Burlington St., Riverside. A funeral Mass will be celebrated at 10 a.m. on Friday, Feb. 25 at St. Mary Church in Riverside, followed by interment at Resurrection Cemetery in Justice.