G. Lowers

Edward H. Fieder

Fredrick “Fred” D. Johnson

Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Thomas Lanahan

Thomas Lanahan was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. O’Henry

E. O’Henry worked for the United States Engineer District Office.