National Museum of Nuclear Science & History
G. W. Toncray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.
Taylor worked at the 200 East Area at Hanford during the Manhattan Project.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
