National Museum of Nuclear Science & History
Clay Cross worked for the Roane-Anderson Company.
Robert Schaffer was an American chemist. Schaffer was born in Brooklyn, and studied at Brooklyn College.
S. B. Robertson worked for the United States Engineer District Office.
Wilbert “Walt” Meyers (1921-2013) served in the Special Engineer Detachment (SED) at Los Alamos during the Manhattan Project.