Born during the Cold War, the Pugwash movement gathers physicists who promote the peaceful use of science.
Many scientists were shocked by what happened in Hiroshima and Nagasaki in 1945, even among those who had supported or taken part in the Manhattan project. In 1955 Einstein teamed with mathematician and Nobel Prize laureate in Literature Bertrand Russell to sign and promote a manifesto encouraging scientists to work for a peaceful use of science and attach more importance to the survival of the human species rather than political beliefs: …