National Museum of Nuclear Science & History
L. H. Roberts worked for the H. K. Ferguson Company.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Garrison worked at the 300 Area at Hanford during the Manhattan Project.
Avery W. Rogers worked for J. A. Jones Construction Co., Inc. during the Manhattan Project.
