He was born on July 28, 1954, in Columbus.
He served the aircraft industry as a tool and dye maker for 37 years. He owned and operated American Tool & Dye in Benton for 19 years.
Roger married the love of his life, Glenda J. Marble, in 1975.
He was an avid member of the Kansas Field Trials Clubs Association and was instrumental in bringing the National Vizsla Association to Kansas.
Survivors include his wife, Glenda; his mother, Lois R. Duncan of Parsons; his mother-in-law, Madeline Granberry; five sisters, Connie S. Baumgardner, Linda D. Shields, Gail A. Kiser, Debbie J. Brown and Kelli D. Haynes, all of Parsons; two brothers, Jeff C. Duncan and Doug W. Duncan, both of Parsons; 15 nieces and nephews and one special nephew, Travis S. Baumgardner and his wife, Erika, and their two children, Trevor and Stella; 26 great-nieces and nephews; two horses, Tuff and Easy; and six dogs, Gus, Buzz, Ike, Two, Babe and Tanner.
He was preceded in death by his father, Robert D. Duncan; and his father-in-law, Dale E. Marble.
The service will be on Thursday at Downing & Lahey East, Wichita.
A memorial has been established with the Kansas Field Trial Clubs Association, c/o J. Merritt, 11911 122nd, Oskaloosa, 66066.
Online condolences can be left at www.dlwichita.com.