National Museum of Nuclear Science & History
J. J. Maroone worked for the Union Carbide & Carbon Corporation.
Nathalie Goldowski was a metallurgist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”).
Augustus “Gus” Kinzel was an American metallurgical engineer. He graduated at age eighteen from Columbia College, and earned a PhD in metallurgical engineering from the University of Nancy in France.