National Museum of Nuclear Science & History
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Langworthy worked in the 100 D Area at Hanford during the Manhattan Project.
Ole G. Landsverk was a member of the health physics team at the University of Chicago Metallurgical Laboratory during the Manhattan Project.
Dale R. Meyer served in the 603rd Air Engineering Squadron.
Edward A. Ryan Jr. served in the First Ordnance Squadron.