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James Chadwick, English Physicist

Sir James Chadwick (1891-1974), English physicist. He was the primary British scientist who collaborated in the Manhattan Project during World War II. He was knighted in 1945 for achievements in his field. Educated in Manchester, Chadwick worked under Rutherford on research mainly with alpha particles (helium nuclei). He used data gained in these experiments to show that the positive charge of a nucleus is the same as its atomic number. In 1932, he was able to re-interpret an experiment by the Joliot-Curies, which he saw as evidence for the existence of the neutron. Chadwick's own experiments confirmed this. This discovery of the neutron allowed a massive advance in knowledge of atomic nuclei. Neutrons are the most useful particle for initiating nuclear reactions. In 1935 he received the Nobel Prize for Physics.
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Title:
James Chadwick, English Physicist
Caption:
Sir James Chadwick (1891-1974), English physicist. He was the primary British scientist who collaborated in the Manhattan Project during World War II. He was knighted in 1945 for achievements in his field. Educated in Manchester, Chadwick worked under Rutherford on research mainly with alpha particles (helium nuclei). He used data gained in these experiments to show that the positive charge of a nucleus is the same as its atomic number. In 1932, he was able to re-interpret an experiment by the Joliot-Curies, which he saw as evidence for the existence of the neutron. Chadwick's own experiments confirmed this. This discovery of the neutron allowed a massive advance in knowledge of atomic nuclei. Neutrons are the most useful particle for initiating nuclear reactions. In 1935 he received the Nobel Prize for Physics.
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Image size:
2406 x 3434 px | 23.6 MB
Print size:
20.4 x 29.1 cm | 8.0 x 11.4 in (300 dpi)
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