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- Richard Dixon Oldham

	Categories: 1858 births \| 1936 deaths \| Geologists Richard Dixon Oldham Richard Dixon Oldham (July 31, 1858 - July 15, 1936) was a British geologist who, in 1906, argued that the Earth must have a molten interior as S waves were not able to travel through liquids nor through the Earth's interior. See also Lehmann, Inge seismology geology Categories: 1858 births \| 1936 deaths \| Geologists

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Richard Dixon Oldham