Tullis Onstott
Tullis Onstott (January 12, 1955 – October 19, 2021) was a professor of
geosciences at
Princeton University who has done research into
endolithic life deep under the Earth's surface. In 2011 he co-discovered ''
Halicephalobus mephisto'', a nematode worm living under the ground, the deepest multicellular organism known to science. He won a
LExEN Award for his work "A Window Into the Extreme Environment of Deep Subsurface Microbial Communities: Witwatersrand Deep Microbiology Project". In 2007, Onstott was listed among ''
Time Magazine's'' 100 most influential people in the world.
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