Inge Lehmann, Danish seismologist and geophysicist (born 1888)

Inge Lehmann

Danish seismologist (1888–1993)

Inge Lehmann was a Danish seismologist and geophysicist who is known for her discovery in 1936 of the solid inner core that exists within the molten outer core of the Earth. The seismic discontinuity in the speed of seismic waves at depths between 190 and 250 km is named the…