Joan Hinton

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Joan Hinton with her brother Bill on their farm in Beijing

Joan Chase Hinton (after her marriage "Joan Engst", Chinese: "Hán Chun"; * October 20, 1921 ; † June 8, 2010 ) was an American nuclear physicist and one of the few women who worked on the Manhattan project in Los Alamos collaborated. Among other things, she was involved in the construction of the first nuclear reactors under the direction of Enrico Fermi and was an eyewitness to the Trinity test . After the military use of the atomic bomb in Japan, she became a staunch opponent of nuclear weapons. From 1949 she lived as a staunch Maoist in the People's Republic of China , where she and her husband Erwin Engst worked in China's socialist agriculture. There she also developed agricultural machinery such as an automatic milking machine. She lived on a farm north of Beijing until her death on June 8, 2010.

In the USA she was suspected of having carried out nuclear espionage for communist China.

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