National Museum of Nuclear Science & History
H. M. Ellis, Jr. worked for the Roane-Anderson Company.
Louis Slotin (1910-1946) was a Canadian physicist. Shortly after World War II, he died from radiation sickness contracted during a dangerous experiment conducted at Los Alamos.
Ernest W. Frey served in the 393rd Bombardment Squadron.
F. Kern served in the 390th Air Service Group.