National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Alfred Wrzesienski served in the First Ordnance Squadron.
James Barton worked as a carpenter for the DuPont Company at the Hanford, Washington site. He never knew he was working on the atomic bomb until after it was dropped in Japan.
