National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
G. A. Nenstiel worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lulu Slaughter was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.