National Museum of Nuclear Science & History
Alvin Graves (1909-1965) was an American physicist. Graves was invited to join the University of Chicago Metallurgical Laboratory and in 1942 he accepted the position and became a member of the Manhattan Project.
O’Connor worked in the 300 Area at Hanford during the Manhattan Project.
J. E. McLeroy, Jr. worked for the Comstock-Bryant Electric Company.
James Osborn was a member of the Special Engineering Detachment at Los Alamos.
