The Szilárd petition

1945 · Event

Leo Szilárd — whose letter began it all — circulates a petition signed by seventy Manhattan scientists urging Truman not to use the bomb without first offering Japan terms. It is classified and never reaches the president; the scientists' dissent is filed away.

On these timelines: The Manhattan Project, USA, Master, Science & Technology

More from The Manhattan Project

Around 1945

Wikipedia ↗

Explore the full Ever-When timeline →