National Museum of Nuclear Science & History
Ray Mettelka worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Eric Swanson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carrie Johnson was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
