National Museum of Nuclear Science & History
J. A. Weill worked for the Roane-Anderson Company.
W. R. Swaim worked for the Roane-Anderson Company.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Edward Shapiro was an American scientist and Manhattan Project veteran. After receiving a Ph.D. from Purdue University, Shapiro worked as a research associate for the Manhattan Project at the Metallurgical Laboratory in Chicago and at Oak Ridge.
