Anne K Buck of Aurora, Co, passed away peacefully on Sunday June 21, 2026 at the age of 80. She was born on August 2, 1945 to John and Jean (McWilliams) Koelker in Wichita, KS. After graduating from Clark University in Dubuque, IA she moved to Denver where she built a beautiful life with family and friends. Anne worked for Hewlett Packard where she retired in 2008. Anne was an avid gardener, she also loved visiting museums and the performing arts. She is survived by her daughter and son-in-law Jason and Jennifer (Buck) Koch of Vail, AZ, son and daughter-in-law Bill Buck and Ingrid Schroeder of Huntley, IL, grandchildren JR and Caroline (Bersagel) Koch of Denver, CO, Aidan and Jessica (Koch) Donahue of Holly Ridge, NC, sister and brother-in-law Gail Koelker and Robert Silvagni of Austin, TX, sister and brother-in-law John and Ellen (Koelker) Mellor of Billings, MT. A graveside service will be held in Dyersville, IA at a later date. In lieu of flowers, donations can be made in Anne’s name to the Denver Botanic Gardens and Dyersville Historical Society.