National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Emma Tolmach was a technician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ernest Omar Wollan was a physicist who helped pioneer the fields of health physics and neutron diffraction.
