National Museum of Nuclear Science & History
Audrey Smythe worked for the Union Carbide & Carbon Corporation.
James McIntosh was a draftsman at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. G. Pettis worked for the Roane-Anderson Company.
John D. Watson was an American civil engineer. In 1942, he joined the J.A. Jones Construction Company.
