Tell me about Inge Lehmann

Inge Lehmann (1888–1993) was a Danish seismologist and scientist, widely celebrated for her pioneering work in geophysics [2, 3].

Here are a few key facts about her life and contributions:

• Discovery of the Inner Core: Lehmann is best known for her 1936 discovery that the Earth has a solid inner core [2]. By analyzing seismic wave data, she was able to identify a boundary within the Earth's core, which changed our fundamental understanding of the planet's structure [2].
• The Lehmann Discontinuity: Her name is immortalized in geophysics through the "Lehmann discontinuity," which refers to boundary regions within the Earth—notably one located between the inner and outer core [2].
• Academic Pioneer: Born in Denmark, she attended a progressive school where students were treated equally regardless of gender [3]. She chose to remain unmarried to pursue her academic career at a time when that was a significant choice for a woman [1]. Throughout her career, she was known for being a sharp observer of the scientific community, famously noting the challenges posed by some of her less capable male colleagues [1].

She remained a dedicated scientist throughout her long life, leaving a lasting impact on how we map the interior of our planet [2, 3].