National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
Joseph O'Byrne worked for Clinton Laboratories at the X-10 Reactor.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
Ennis Peters was a staff worker at Los Alamos during the Manhattan Project.
