Sir Harold Jeffreys
1891-1989
British geophysicist and astronomer known for his work on Earth's internal structure and earthquake travel time tables compiled with Keith Bullen—commonly k...
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British mathematician, astronomer, geophysicist, and philosopher Sir Harold Jeffreys (1891-1989) was one of the great original applied-mathematical thinkers of the 20th century. He is noted for his wi...
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Sir Harold Jeffreys
Harold Jeffreys, Sir