National Museum of Nuclear Science & History
Floyd Halein served in the 393rd Bombardment Squadron.
Gilbert worked at the 200 West Area at Hanford during the Manhattan Project.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wangelin worked at the 200 East and 200 West Areas at Hanford during the Manhattan Project.