National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
John Tempka (1923-2017) was an American engineer. Tempka was born in Boydsville, Ohio. He was studying at the University of Detroit when he was recruited to join the U.
Joe Dykstra graduated from college in 1943 with a degree in chemistry. He went to Niagara Falls, where he worked for the Hooker Electrochemical Company, producing fluorine cells for Oak Ridge.
Marguerite Anderson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
