National Museum of Nuclear Science & History
W. G. Butler worked for the J.A. Jones Construction Company.
Haydn Jones was a research assistant in the Physics Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Shea worked for Stone and Webster Engineering Corporation.
