National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wallace Stone worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Constance “Connie” Wood (1919-2007) was a metallographic technician in the Chemistry Division at Los Alamos during the Manhattan Project.
