National Museum of Nuclear Science & History
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
In 1943, Jess Brinkerhoff was working at Du Pont's Remington Arms ammunition plant in Salt Lake City as a warehouse and shipping foreman.
Lucien Nerman was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thelma Buckner worked for the H. K. Ferguson Company.