National Museum of Nuclear Science & History
Gerhardt Padalski was a staff worker at Los Alamos during the Manhattan Project.
Louis Slotin (1910-1946) was a Canadian physicist. Shortly after World War II, he died from radiation sickness contracted during a dangerous experiment conducted at Los Alamos.
W. G. Butler worked for the J.A. Jones Construction Company.
John J. Norton was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
