Clark grew up in Grand Island and Neligh, NE, where he graduated from Neligh High School.
He married Barbara Jean Rethmeier of Neligh, NE, in May 20, 1962, Clark served with the U.S. Navy from 1961-1963 as an Aviation Admistration Man 2nd Class and in the Naval Reserve 2nd Class from 1965-1967 both during the Vietnam War supporting Naval Air Forces and airplane testing/maintenance. He was honorably discharged in 1967 and was a member of the American Legion Post #3 in Lincoln. Clark was also a member of the Sesotris Shrine Temple of Lincoln.
Clark was employed as an Internal Auditor/Fraud Examiner for First Federal Savings and Loan (Lincoln), was Vice President and Manager of Information Systems Auditor for First Tier Bank (Lincoln), a Senior-level Analyst/programmer for Ameritas Life Insurance (Lincoln) and Information System Auditor for Penrose-St. Francis Healthcare System (Colorado Springs, CO).
Clark enjoyed working with his hands creating leatherworks, and charcoal drawings. He was an avid FCC amateur (HAM) radio operator. Clark loved reading and writing poetry.
Clark is survived by his wife Barbara, son David (Rhonda) of Lincoln; brother Gary (Carolyn) Mattingly, of CA; grandchildren Corbin (Melissa) Horse of Timnath, CO, Ciera (Phillip III) Butler of Lenexa, KS, Dr. Tateum Mattingly of Mission, KS, Olivia Mattingly of Lincoln, and Nolan Mattingly of Omaha; 4 great grandchildren.
Preceded in death by his parents Robert and Darlene (Brown) Mattingly, Ardis (Maddox) Marshall and half-brother Michael Mattingly.
Celebration of Life to be held 1:30 p.m., Saturday, April 29, 2023, at Roper and Sons Midtown Chapel, 4300 ‘O’ Street, Lincoln (10). Rev. Bud Christenson officiating.
In lieu of flowers memorials may be given to Bridges to Hope.