National Museum of Nuclear Science & History
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. O. Dean worked at the 200 East Area at Hanford during the Manhattan Project.
A. R. Sutliff worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. A. Wikle worked for the A. S. Schulman Electric Company.
