National Museum of Nuclear Science & History
Hart worked for Stone and Webster Engineering Corporation.
Jack Powers worked for the J.A. Jones Construction Company.
Frank Osvath was a staff worker at Los Alamos during the Manhattan Project.
J. M. Cox worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
