Richard Cook of Great falls, Montana passed away on February 23, 2020. He was born on June 3, 1942, to Irene and Harold Cook. Rich was preceded in death by his parents; and sister, Judith. Rich served in the Navy as a medical corps man and later worded as a microbiologist in food safety. Rich will be greatly missed by his family and pets. A viewing will be held on Thursday, February 27, 2020, from 5:00 p.m. until 7:00 p.m. at the Immaculate Heart of Mary Catholic Church followed by a vigil service at 7:00 p.m. A funeral mass will be held on Friday, February 28, 2020, at 10:00 a.m. at the Immaculate Heart of Mary Catholic Church followed by burial at the church cemetery. Any memorials can be sent to the Immaculate Heart of Mary Catholic Church.