Harry Hess (may 24, 1906 – aug 25, 1969)
Description:
He noticed that the oceans were getting shallower. So he investigated that molten material was coming up from the mantle.
https://www.geolsoc.org.uk/Plate-Tectonics/Chap1-Pioneers-of-Plate-Tectonics/Harry-Hess
Added to timeline:
Jun Rodriguez - timeline
Date:
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