National Museum of Nuclear Science & History
Hilda Holzman worked for the United States Engineer District Office.
Queenabelle Syvester was a staff worker at Los Alamos during the Manhattan Project.
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.
Sloan worked at the 300 Area at Hanford during the Manhattan Project.
A. F. Tyra worked for the Union Carbide & Carbon Corporation.