Richard August Knudsen of Oak Lawn passed away June 2, 2020. Preceded in death by parents, August and Grace Knudsen. Survived by sister, Ann (Donald) Mitchell of Ada, Michigan; niece Suzanne (Randy) Borgeson; nephew Dr. John (Michelle) Mitchell; 3 grand nieces and a grand nephew; and special friends Edward and Roma Kaveckas. Private interment at Chapel Hill Gardens South cemetery.