John Ralph Hinchman passed away at home December 27, 2016. He was born July 19, 1935 to Ralph and Claire Hinchman in Aurora, Illinois. John graduated from West Aurora High School. He then gained a bachelors degree in Engineering Science from Purdue University. He also received a masters degree from Utah State University. John married Jeanne Boudreau in Aurora, Illinois in September of 1957. Johns career was designing and building liquid and solid propelled rocket boosters beginning as an engineer at Rocketdyne in California and moving on to Project and Program Manager at Thiokol and TRW. John was a volunteer coach for little league baseball and Wasatch Front football. He was a Grand Knight in the Brigham City K of C chapter. John loved skiing and golfing and enjoyed traveling, working on home improvement projects, attending the symphony and theatre, attending University of Utah womens gymnastics meets, working out at the gym, hiking, camping and fishing. He was a Patron and Supporter of the Ogden Symphony and Ballet Association. John is survived by his wife, Jeanne; children, Susan (Joseph) Richards of Boise, Michael Hinchman of Roy, Andrew (Jennifer) Hinchman of Salt Lake City, Ann (Angelo) Roma of Hudson, New Hampshire; sister, Joan (Mike) Mols; brother, James Hinchman; six granddaughters, Meghan Richards, Genevieve Richards, Alexis Hinchman, Brynne Hinchman, Hannah Hinchman and Jaime Nutt. He is preceded in death by his parents and his son, Steven Hinchman. An open house Celebration of Life will be held at his home, 4899 Knollwood Drive, Ogden, Utah, Thursday, December 29, 2016 from 4:30 until 6:30 pm. In lieu of flowers, donations to the Ogden Symphony and Ballet Association, Utah Golf Association or Lantern House would be greatly appreciated. Arrangements under the direction of Leavitts Mortuary, 836 36th Street, Ogden, Utah. Please send condolences to the family at: www.leavittsmortuary.com Service Information Date: Thursday, December 29, 2016 4899 Knollwood Drive Ogden, Utah