National Museum of Nuclear Science & History
Juan Romero was a staff worker at Los Alamos during the Manhattan Project.
Franklin MacGregor served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
J. M. Russell worked for the Roane-Anderson Company.
John Weil was a member of the Special Engineer Detachment serving at Los Alamos from early 1943 through the end of the war.
