National Museum of Nuclear Science & History
W. W. Steed worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Millett worked in the 200 West Area at Hanford during the Manhattan Project.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.
G. M. Dodd worked for the Watson-Flagg Engineering Company.