National Museum of Nuclear Science & History
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
Margaret H. Dike was born in Prescott, Arizona, and she grew up in Cimarron, New Mexico. Before the war, Dike worked at the Department of Terrestrial Magnetism in Washington, DC.
Robert Pierce served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Bartholomew "Bart" Rivers was an instrument technician at the Hanford, Washington facility from 1943 through the end of the war.
A. L. Bladholm worked for the J.A. Jones Construction Company.