National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Henderson worked at the 100-D Area at Hanford during the Manhattan Project.
Elmer C. Sekeres served in the 393rd Bombardment Squadron.
Jules Guéron was a French chemist and atomic scientist, who helped develop atomic energy in France. Guéron was born in Tunis on June 2, 1907.
