National Museum of Nuclear Science & History
L. C. Danielson worked for the J.A. Jones Construction Company.
E. T. O'Conner worked for the Roane-Anderson Company.
James Mc Tigrit was a military officer at los Alamos.
Ratterman worked at the 200 East area at Hanford during the Manhattan Project.
Burr H. Ritter was a chemical engineer at the Hooker Chemical Company in Niagara Falls, New York during the Manhattan Project.
