National Museum of Nuclear Science & History
A. F. Young served in the 509th Headquarters.
R. W. Erickson worked at the 200 West Area at Hanford during the Manhattan Project.
Felix DePaula was born in Brooklyn, New York on June 3, 1926. He was drafted into the U.S. Army in 1944, and placed in the Army Corps of Engineers.
Gerritsen worked at the 300 Area at Hanford during the Manhattan Project.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.