'On Dec. 2, 1942 the first nuclear chain reaction was set off at the University of this Midwest city'
Chicago
A DECEMBER TO REMEMBER: On Dec. 2, 1942 the first nuclear chain reaction was set off at the University of this Midwest city
On Dec. 2, 1942 the first nuclear chain reaction was set off at the University of this Midwest city
On Dec. 2, 1942 the first nuclear chain reaction was set off at the University of this Midwest city
A DECEMBER TO REMEMBER
Chicago
A DECEMBER TO REMEMBER