A memorial service for Duane William Hammann, age 75 of Knoxville, will be held on Monday, October 15th at 2:00 PM at the Trinity Lutheran Church of Knoxville with Pastor Joel Picard officiating. Military Honors will follow services. Burial will be held on a later date at St. John’s Cemetery of Owatonna, Minnesota. Family will be greeting friends from noon until service time on Monday, October 15th at Trinity Lutheran Church. A memorial has been established to the family and will be named at a later date. Condolences may be sent to www.winfieldfh.com. Winfield Funeral Home of Knoxville is handling the arrangements.