Maxwell C. Huntoon

Helen E. Krinek

Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

I. K. Harris

Harris worked at the 300 Area at Hanford during the Manhattan Project.

Antonio R. Tapia

Antonio Tapia was a staff worker at Los Alamos during the Manhattan Project.

Julius J. Balhorn