National Museum of Nuclear Science & History
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
J. R. Henson worked for Clinton Laboratories at the X-10 Reactor.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carothers worked in the United States Engineer District Office.
