1 Auguste (ogyst). 1884--1962, Swiss physicist, whose study of cosmic rays led to his pioneer balloon ascents in the stratosphere (1931--32)
2 his twin brother, Jean Félix (ʒɑ̃ feliks). 1884--1963, U.S. chemist and aeronautical engineer, born in Switzerland, noted for his balloon ascent into the stratosphere (1934)
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