National Museum of Nuclear Science & History
A. D. Lawrence worked for the Roane-Anderson Company.
Dorothy Vance worked for the Edenfield Electric Company.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Leon J. Vrana served in the 320th Troop Carrier Squadron.
Beverly W. Lewis was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
