National Museum of Nuclear Science & History
Diana (Florence Ruth) Russell was a Manhattan Project veteran from the Hanford, Washington facility. Shortly after the end of the war, she started work reading the radiation exposure badges that all employees in the radioactive areas were required to wear.
Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.
A. S. Preston worked for the Tennessee Eastman Corporation at the Y-12 Plant.
