National Museum of Nuclear Science & History
Engel worked in the United States Engineer District Office.
Dr. Lauren Donaldson (1903-1998) was an ichthyologist who was hired by the Manhattan Engineering District at Hanford to monitor effects of radioactive contamination in the Columbia River.
James King worked at the Y-12 Plant in Oak Ridge, Tennessee, in the uranium purification process from February 1944 to February 1947.
Clarence Yohn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
