Atomic Heritage Foundation

In partnership with the National Museum of Nuclear Science & History National Museum of Nuclear Science & History

1945 Apr 12

1945 Apr 12

Otto Frisch completes criticality and "zero-yield" experiments with U-235 at Los Alamos, NM. Also, President Roosevelt dies and Harry S. Truman become president.

Related Images: 
Harry S. Truman. Courtesy of Wikimedia Commons.
Date Range: 
1945CE Apr 12th
Era: 
1945: Building the Bomb