Clarence Alfred Denning, 80, of Colby, passed from this earth into the hands of the Lord on June 11, 2025, at Swedish Hospital in Englewood, Colorado. He was born on April 30, 1945, in Hays, Kansas to Alphonse and Clara (Hoff) Denning. After graduating high school in Gorham, KS, he joined the United States Army where he was a helicopter mechanic during the Vietnam War. Clarence married the love of his life, Marilyn Dinkel on August 21, 1965.