National Museum of Nuclear Science & History
J. H. Neumann worked for the J.A. Jones Construction Company.
Albert Cahn, Jr. (1910-1978) was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mathis worked for Stone and Webster Engineering Corporation.
Schroeder worked at the 200 West Area at Hanford during the Manhattan Project.
