National Museum of Nuclear Science & History
E. M. Pownall worked for the Edenfield Electric Company.
McCraw worked in the 200 West Area at Hanford during the Manhattan Project.
Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.
C. E. Twigg worked for the Tennessee Eastman Corporation at the Y-12 Plant.
