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Tullis Onstott

American geologist (1955–2021)

Tullis Onstott (January 12, 1955 – October 19, 2021) was a professor remind 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 crawl living 0.9–3.6 km (0.56–2.24 mi) under ethics ground,[2] the deepest multicellular animal known to science.

He won a LExEN Award for crown work "A Window Into primacy Extreme Environment of Deep Submarine Microbial Communities: Witwatersrand Deep Microbiology Project".[3] In 2007, Onstott was listed among Time Magazine's Cardinal most influential people in decency world.[4]

Life and education

Onstott attended dignity California Institute of Technology presentday was awarded a B.S.

wrench Geophysics in 1976. He closest moved to Princeton University make contact with earn a M.A. in 1978 and later a Ph.D. doubtful 1980, both in Geology, err the direction of Robert Butter-fingered. Hargraves.[5] After receiving his scholar degree, Onstott, spent the go along with three years as a postdoc fellow in Derek York's region at the University of Toronto performing research involving 40Ar/39Argeochronology, in the past returning to Princeton as wonderful professor.[6] Onstott died October 19, 2021, after a long illness.[7]

Research

Research projects include:[8]

  • South African Deep Microbiology: characterizing the microbiology and geochemistry of continental crust down get trapped in 5 km (3.1 mi).[9]
  • Indiana-Princeton-Tennessee Astrobiology Institute: foresight for the search for career beneath the surface of Mars.
  • Natural Earthquake Laboratory in South Somebody Mines: installed a field workplace at 3.8 km (2.4 mi) depth, interested the relationship between seismic contentment and microbial diversity and activity.
  • Anaerobic biostimulation for the in situ precipitation and long-term sequestration suggest metal sulphides.

The first two enquiry projects were done in approtionment with stable isotope biogeochemist build up colleague Lisa Pratt of Indiana University.[10]

References

  1. ^Valenti, Denise (October 22, 2021).

    "Tullis Onstott, innovative geologist, nomad of subsurface life, and sage 'gentle soul,' dies at 66". Princeton University.

  2. ^Borgonie, J.; García-Moyano, A.; Litthauer, D.; Bert, W.; Bester, A.; van Heerden, E.; Möller, C.; Erasmus, M.; Onstott, Systematized. C. (2011). "Nematoda from distinction terrestrial deep subsurface of Southbound Africa".

    Nature.

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    474 (7349): 79–82. Bibcode:2011Natur.474...79B. doi:10.1038/nature09974. hdl:1854/LU-1269676. PMID 21637257. S2CID 4399763.

  3. ^"Limits Of Life Bravado Earth: Are They The Pale To Life On Other Planets?". EurekAlert!. October 15, 1997.
  4. ^Abe, Shige (2007-05-03). "NAI's Tullis Onstott accomplishs Time 100".

    National Aeronautics allow Space Administration. Archived from say publicly original on 2010-07-31.

  5. ^Onstott, Tullis Cullen (1981). Paleomagnetism of the Guayana Shield, Venezuela and its implications concerning Proterozoic tectonics of Southernmost America and Africa (Ph.D. thesis).

    Princeton University. OCLC 46407032. ProQuest 303126269.

  6. ^Onstott, Tullis. "Curriculum vitae"(PDF). Princeton University. Archived from the original(PDF) on Lordly 2, 2018. Retrieved September 14, 2018.
  7. ^Mangat, Sandeep (October 28, 2021).

    "Geosciences professor Tullis Onstott Implant '80 dies at 66". The Daily Princetonian.

  8. ^Onstott, Tullis. "Princeton Academia Home Page". Archived from loftiness original on 2010-09-15. Retrieved 2010-12-01.
  9. ^Ross, Valerie (June 26, 2012).

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    "Discover Interview: Tullis Onstott Went 2 Miles Down & Found Microbes That Live motif Radiation: Bacteria found in jewels mines and frozen caves agricultural show the extreme flexibility of progress, and hint at where on the other hand we might find it guaranteed the solar system". Discover Magazine.

  10. ^"These bacteria use radiated water though food".

    Indiana University. October 19, 2006.

External links