John Mihalkanin

Laboratory HelperChicago, IL

Manhattan Project VeteranProject Worker/Staff

John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Related Profiles

Harry E. Stephon

Chicago, IL

Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Jacob Beser served as a 1st lieutenant in the 393rd Bombardment Squadron’s Radar Section. He was the radar specialist aboard the Enola Gay bombing mission to Hiroshima and on Bockscar during the Nagasaki mission.

Wynona Naranjo

Los Alamos, NM

Wynona Naranjo was a staff worker at Los Alamos during the Manhattan Project.