Jeffreys, Sir Harold

views updated

Jeffreys, Sir Harold (1891–1989) A British geophysicist, astronomer, and mathematician who studied seismic waves and developed a model for the interior structure of the Earth. His tables of earthquake travel times, calculated in collaboration with K. E. Bullen (1906–76), are still in use. He proposed the tidal theory for the origin of the solar system.

More From encyclopedia.com