National Museum of Nuclear Science & History
H. E. Viele worked for the Roane-Anderson Company.
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.
Leinhart worked in the 300 Area at Hanford during the Manhattan Project.