National Museum of Nuclear Science & History
Mack worked at the 300 Area at Hanford during the Manhattan Project.
Theodore Petry (1924-2018) was a laboratory helper at the Chicago Met Lab. He was recruited while still in high school.
Estelle B. Lucas was a laboratory assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. W. Wakefield worked for the J.A. Jones Construction Company.
