Dr. Allen Neil Duckworth of Springfield passed away on Saturday, Feb. 9, at the age of 72. Preceded in death by his daughter, Sarah Bergquist, he is survived by his wife of forty-nine years Becky, two sons, David (Alisha) Duckworth and Dr. Douglas (Jasmine) Duckworth, his daughter Dr. Beth (Michael) Flecker, his sister Debra (Win) Davis as well as 11 grandchildren and nieces Andi and Malika. Allen was born and raised in Elkins, W.Va., and graduated with a masters degree in engineering at West Virginia University before going on to earn a doctorate in computer science at George Washington University. He served as a captain in the US Army before settling into a 36 year career at the Naval Research Laboratory in Washington, D.C. Allen was devoted to his wife and family. He enjoyed his grandchildren, playing basketball, and travel. A memorial service celebrating his life was held at the Fairfax Church of Christ, 3901 Rugby Rd, Chantilly, at 7 p.m. on Thursday, Feb. 14. In lieu of flowers, memorial contributions may be made to research Frontal Temporal Disorders (www.THEAFTD.org) or Capital Caring Hospice (www. capitalcaring.org). Interment will be at a later date in Elkins, W.Va.