National Museum of Nuclear Science & History
Shea worked for Stone and Webster Engineering Corporation.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
Chesrown worked at the 300 Area at Hanford during the Manhattan Project.
James Pannell was a physicist at Los Alamos during the Manhattan Project.