National Museum of Nuclear Science & History
J. A. Copeland worked for the Poe Piping & Heating Company.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. K. Rothermund worked for the J.A. Jones Construction Company.
Schrader worked at the 200 West Area at Hanford during the Manhattan Project.
