National Museum of Nuclear Science & History
Lillian Sexton was a switchboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
G. William Morgan was an American health physicist. During World War II, Morgan worked on the Manhattan Project as part of the Health Physics Division at the Oak Ridge.
Draper worked at the 100-B Area at Hanford during the Manhattan Project.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.