L.A. Johnston

Pauline McGrath

Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Joseph Dvorak

J. T. Holloway

J. T. Holloway worked for the United States Engineer District Office.

William J. Larkin

William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.