Kenneth "Ken" Edward Duncan, 88, of Brooklyn died on Sunday, June 15, 2025, at Lantern Park Specialty Care in Coralville, Iowa.

A graveside service will be held at 9:00 am, Friday, June 20, 2025, at Ivy Hill Cemetery in Malcom, Iowa. A memorial fund will be established.

Ken was born on June 17, 1936, to Orville and Alta Marie (Vaughn) Duncan in Iowa City, Iowa. He graduated from Grinnell Senior High School and enlisted in the Army. Ken proudly served his country during the Vietnam Era. During his enlistment, he took classes to start his career in the Aeronautical Space Field and worked with the space shuttles in California.

He was a very intellectual man with a kind heart. Ken was always full of life and laughter and appreciated in-depth conversations. He enjoyed listening and playing music, like his guitar; and could often play by ear. Ken enjoyed fresh veggies, maid rites, Taco John's and especially milk shakes from Culver's.

Ken will be missed by his nieces and nephews, Dave Cottrell, Gloria (Dan) Hair, Steve Bailey, Cheryl (Dennis) Hughes, Bud Audas, Deborah (Kenny) Cogley and Victoria Cogley; and their families,  Great nieces and nephews Doug (Wendy) Cottrell, Scott (Carrie) Cottrell, Jeannie Cottrell, and especially by his great niece who was more like a daughter, Amy (Thom) Schaefer and her children, Austin Fischer, Emily (Casey) Burkle and Leah Hall; and his great-great-great nephew, Noah Burkle.

He was preceded in death by his parents; siblings, Cleave Duncan, Amanda Cottrell, Charlie Duncan, Bernice Audas, and Ann Cogley.