Hagman, John G. passed away at home, peacefully, on April 15, 2022. John was Principal of Twin Rivers (Sibley) High School from 1970-87. An active volunteer, John held leadership positions with AARP of MN, Northern Dakota Kiwanis, the Retired Educators oof MN, Central Lutheran Church in Minneapolis. He is survived by his wife, Joan, four children, 10 grandchildren, 12 great-grandchildren. Visitation and the Memorial Service will be held at Central Lutheran Church, Minneapolis, on June 12 at 2:00 p.m. Guestbook: cremationsocietyofMN.com