Melvin Marx Hintze, 80, of Mackay, passed away Monday, July 15, 2019 at Teton Post Acute Care and Rehabilitation in Idaho Falls. A graveside service will be held at 11:00 a.m. Saturday, July 20, 2019 at the Mt. McCaleb Cemetery in Mackay. Family is under the care of Hawker Funeral Home. Condolences may be shared at: Melvin Marx 9/24/1938 - 7/15/2019Hintze