National Museum of Nuclear Science & History
F. Roark served in the 390th Air Service Group.
Alfred Wrzesienski served in the First Ordnance Squadron.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dr. Karl Larsen worked at Massachusetts Institute of Technology during the Manahattan Project. While there, he conducted heavy-water research by spectrum analysis, which was one of the prerequisites to the early atomic bombs.
James A. Burns served in the 393rd Bombardment Squadron.