Douglas Harold Sargeant Obituary

The memory of Douglas Harold Sargeant of Mechanicsburg, Pennsylvania, who passed away on August 14, 2025 at the age of 87, will forever remain in the hearts of those touched by this precious presence in their lives. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, Harry Sargeant and June Sargeant; his wife Karen Gates; and his siblings, Peter Sargeant and Susan McDonald.

He is survived by: his daughters, Kristi Smith (John) of Mechanicsburg, PA and Kathryn Sargeant (Thomas Chettleburgh) of Ann Arbor, MI; his grandsons, Christopher, Jeremy Smith, Steven and William Chettleburgh; his brother-in-law Richard McDonald; his niece Jennifer Gates (Jeffrey Armistead); and his nephews, Clyde and Laszlo Armistead.

Memorial contributions may be given to the American Association for the Advancement of Science.