National Museum of Nuclear Science & History
J. E. Dooley worked for the Roane-Anderson Company.
Stewart Brown worked for the J.A. Jones Construction Company.
Jacob H. Wiens was a nuclear physicist who worked on the Manhattan Project from 1943 to 1945. He later worked at the Lawrence Livermore National Laboratory where he interacted with Luis Alvarez.
Lucien Nerman was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.