National Museum of Nuclear Science & History
Gerow worked in the United States Engineer District.
Vaughn Wrenn worked for the Roane-Anderson Company.
Norma Gross was an American chemist. She was married to an Army lieutenant who was stationed at Los Alamos during the Second World War.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.