Age 73, of Elk River. Passed away on February 20, 2021. Duane was born on July 20, 1947 in Mantorville, Minnesota to parents, Leonard and Leona (Henry) Flikke. He graduated from West Concord High School in 1965. He enrolled in Winona University but left college and joined the armed forces and served in Vietnam from October 1968 to October 1969. During his tour in Vietnam, he was wounded four different times and received four Purple Hearts and three Bronze Stars of Valor. He and Marlys (Olson) were married in Dovray, Minnesota on August 28, 1971. They lived in Crystal for 29 years and upon retirement from Wells Fargo Bank, they moved to Elk River, Minnesota. Duane enjoyed spending time with his family, fishing, hunting, playing cards, traveling and helping others. He is survived by his wife, Marlys of Elk River; two sons: Chad (Pam) and children, Zach & Ben of Maple Grove, and Jason (Korrie) and children, Kendall and Christian of Maple Grove; sister, Darlene Flikke of West Concord, Minnesota; brother, Leonard (Sue) Flikke of Brook Park, Minnesota; nieces, Heather (Mark) Griffith of Babbitt, Minnesota and Sheila (Jayme) Benson and children, Luke & Nick of Apple Valley, Minnesota. He is also survived by his sister-in-law, Lois (Dan) Masters of Cambridge, Ohio and brother-in-law, Bob Olson of Dovray, Minnesota. He is preceded in death by his parents and sister, LaVonne.