National Museum of Nuclear Science & History
J. J. Mitchell worked for the Fercleve Corporation.
O. K. Mikell worked for the Roane-Anderson Company.
H. S. Russell worked for the Roane-Anderson Company.
Charles Sullivan served in the First Ordnance Squadron.
Manuel Schwartz was a physicist. He worked at Los Alamos as a civilian employee from about July 6, 1944, until January or February 1946.