National Museum of Nuclear Science & History
Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.
Attended Harvard University.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph E. Burke was born on September 1, 1914 in Berkeley, California. He graduated from McMaster University in 1938, and then earned a Ph.