Tullis Onstott

Who is Tullis Onstott?

Tullis Onstott is a professor of geosciences at Princeton University who has done research into endolithic life deep under the Earth's surface. In 2007, Onstott was listed among Time Magazine's 100 most influential people in the world. In 2011 he co-discovered Halicephalobus mephisto, a nematode worm living 0.9–3.6 km 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".