National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Alexander Glon was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Myrack worked in the 300 Area at Hanford during the Manhattan Project.
Don Mester worked for the Tennessee Eastman Corporation at the Y-12 Plant.