National Museum of Nuclear Science & History
Theodore Petry (1924-2018) was a laboratory helper at the Chicago Met Lab. He was recruited while still in high school.
Joe Baca was born in Alberquerque, NM. He moved with his family to Los Alamos, NM in April of 1944 after his father, Jose Baca, got a job as a carpenter there.
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.