National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Steven W. Briggs, Jr. served in the 320th Troop Carrier Squadron.
Homer Howell worked for Clinton Laboratories at the X-10 Reactor.
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.