David A. Hartdagen, 58, of Fairfield, PA, passed away peacefully at home on July 1, 2025. Born February 9, 1967, in Gettysburg, PA, he was the son of Ruth (Weddle) and the late Charles Hartdagen. Dave grew up in Emmitsburg, MD, and graduated from Catoctin High School. He worked at Mount St. Mary’s University for 25 years and later at Ft. Detrick for 15 years, retiring in 2025. He is survived by his mother, sister Kathy (Keith) Delauter, brother Mike (Carole) Hartdagen, nieces and nephews, and great-nieces Blakelyn and Kinsley Hartdagen.
