National Museum of Nuclear Science & History
John Rowell was a staff worker at Los Alamos during the Manhattan Project.
Fred D. Butler served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.
Paul D. Krause was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
