

COL John Thomas Dyer, MD a true patriot, physician, husband, and father passed away peacefully in San Antonio, TX on Aug 25, 2026.
Born on Dec 15, 1930, in Trenton, TX, John was the embodiment of the kind of character forged from his generation. His love for his wife Nancy was the compass for the direction of his life. He was an unapologetic patriot and a dedicated veteran of both the United States Army and the United States Air Force, with a combined service time of over 30 years. He graduated medical school from The Baylor College of Medicine in 1958 and finished his residency in the Army then straight over to serve in Vietnam. John was particularly proud of his USAF service dealing with the U-2 and SR-71 reconnaissance programs.
He was preceded in death by his beloved wife Nancy Olson Dyer. John was survived by his four children Katherine Ann Burn, Patricia Louise Schubert, John Thomas Dyer, JR, Michael Patrick Dyer, 5 grandchildren, and six great grandchildren.
A funeral service with full military honors will be held at Burns Cemetery in Trenton, TX on September 8, 2026, at 10:00 AM. In lieu of flowers, donations may be made to St Jude's Children's Hospital, or The Tunnel to Towers Foundation.
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