Inge lehmann biography of christopher

Danish geophysicist and mathematician who in discovered the existence of the inner core of the Earth. Born on May 13, , at Osterbro by the Lakes in Copenhagen, Denmark; died in Copenhagen on February 21, ; daughter of Alfred Georg Ludvig Lehmann (a professor of psychology) and Ida Sophie (Torsleff) Lehmann; sister of Harriet Lehmann; University of Copenhagen, master's degree, ; also studied at Cambridge University and University of Hamburg; master of science degree in geodesy, ; honorary doctorates from the University of Copenhagen and Columbia University.

By studying the shock waves generated by earthquakes, was able to theorize that the Earth has a solid inner core, a finding that was substantiated by other scientists; was chief seismologist of the Royal Danish Geodetic Institute (–53); retired ().

In , the Danish geophysicist Inge Lehmann was awarded the William Bowie Medal of the American Geophysical Union in recognition of her "outstanding contributi