National Museum of Nuclear Science & History
Rayburn worked at the 100-D area at Hanford during the Manhattan Project.
F. R. O'Brien worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ella Tyree was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
