National Museum of Nuclear Science & History
O. E. Miller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Trask worked at the 200 West Area at Hanford during the Manhattan Project.
Bretscher worked at Los Alamos during the Manhattan Project.
Lucy Mabins was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.