National Museum of Nuclear Science & History
J. F. Chapman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Whitehurst worked for Stone and Webster Engineering Corporation.
John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
