Leendert,
Finally found Gallagher.
John Willard Gallagher
Born 6/13/23 in Ohio. Died 7/31/62 in Wisconsin. Buried in Wausau, WI.
Enlisted 6/24/41 Discharged 12/18/45
Final rank Maj (In the Air Force Reserve)
Obit
https://www.newspapers.com/clip/6939...-daily-herald/
I can send you his headstone application if you want, which includes his serial number O-539921.
Rolland