National Museum of Nuclear Science & History
William Bond worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frei worked for Stone and Webster Engineering Corporation.
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
Mason worked in the 300 Area at Hanford during the Manhattan Project.
Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.