Square linocut print on white paper of seismologist Inge Lehmann in a fur coat, silk scarf and dapper hat, in dark grey-teal ink overprinted with her diagram of the cross-section of the Earth in orange and red from her P’ paper, showing the mantle, outer core and inner core, an earthquake epicentre marker E and labelled ray paths through the Earth.
Happy birthday to Danish #seismologist Inge Lehmann (1888 – 1993) who demonstrated that the Earth’s core is not a single molten sphere, but contained an inner solid core, in ‘36. She was a pioneer #womanInScience, a brilliant seismologist & lived to be 105. 🧪🐡⚒️ #histsci
As she first postulated, 🧵