In December 1924, Frederic Joliot visited the Institute where he met Marie Curie.
1924年12月，弗雷德里克·约里奥参观了研究所，在那里他遇见了玛丽·居里。
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This work prepared the way for the discovery of the neutron by Sir James Chadwick and, above all, for the discovery in 1934 by Irène and Frédéric Joliot-Curie of artificial radioactivity.