National Museum of Nuclear Science & History
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.
Meyer Steinberg is a chemical engineer and a veteran of the Special Engineer Detachment. After graduating from Cooper Union College with a degree in chemical engineering, Steinberg was drafted and placed in the Special Engineer Detachment at Oak Ridge.
Hollis worked for Stone and Webster Engineering Corporation.
Nelson worked at the 300 Area at Hanford during the Manhattan Project.
J. Powell worked for the Union Carbide & Carbon Corporation.
