Atomic Heritage Foundation

1945 June 24

1945 June 24

Otto Frisch confirms that the implosion core design is satisfactory after criticality tests.

Date Range:

1945CE Jun 24th

Era:

1945: Ending the War

Hear the stories of the Manhattan Project

Browse our collection of oral histories with workers, families, service members, and more about their experiences in the Manhattan Project.

Tour the Sites of the Manhattan Project

Tour some of the key locations of the Manhattan Project with an audio guide.

Read recent news & articles

AHF President Cindy Kelly with Nagasaki Mayor Tomihisa Taue

Report from Hiroshima and Nagasaki

Support our efforts - visit our store!