National Museum of Nuclear Science & History
H. R. Kroegar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.
Melvin H. Bierman served as a sergeant in the 393rd Bombardment Squadron. Bierman was regularly assigned as a tail gunner in the Up An’ Atom, but did not fly in that plane in the August 1945 bombing missions on Hiroshima and Nagasaki.
