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Roberto Mantovani (25 March 1854 – 10 January 1933), was an Italian geologist and violinist. Mantovani was born in Parma. His father, Timoteo, died seven months after his birth. His mother, Luigia Ferrari, directed him to studies, and at the age of 11 he was accepted as a boarder in the Royal School of Music, where he was conferred with the Honorary Degree in August 1872. He always preferred the exact sciences and literature to music. In 1889 and 1909 Mantovani published a hypothesis of an expanding earth and continental drift. He assumed that a closed continent covered the entire surface of a smaller earth. Through volcanic activity because of thermal expansion this continent broke, so that the new continents were drifting away from each other because of further expansion of the rip-zones, where now the oceans lie. Alfred Wegener saw similarities to his own theory, but did not support Mantovani's earth-expansion hypothesis. He wrote: He died in Paris. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Roberto Mantovani」の詳細全文を読む スポンサード リンク
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