National Museum of Nuclear Science & History
Edwin Jones worked for the J.A. Jones Construction Company.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. R. Muldoon worked for the Union Carbide & Carbon Corporation.
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.
