Tullis C. Onstott *81

Position
Professor of Geosciences
Role
Department of Geosciences
Title
Geochemistry
Office Phone
Assistant
Office
B79 Guyot Hall
Advisee(s):
Bio/Description

 (1955-2021)

Professor of Geosciences, 1984 - 2021
The Department of Geosciences

Tullis Onstott, a Princeton graduate and professor of geosciences known for his innovative research in several specialties and his explorations of lifeforms deep below the Earth’s surface, died Oct. 19, 2021, in Oracle, Arizona, from complications associated with lung cancer. He was 66.

Onstott, who earned his Ph.D. at Princeton in 1980, was a member of Princeton’s faculty for 37 years. For the past several decades, he focused on subsurface microbial life and ecosystems via mines, drilling and new underground laboratories at some of the deepest sites across the globe.  READ MORE


Legacy Website: 
GEOMICROBIOLOGY


TC Onstott Memorial Symposium

To commemorate the life and contributions of Professor Tullis Onstott *81 a day-long symposium in his honor, was hosted by the Department of Geosciences at Princeton University on May 14, 2022.

Onstott booklet thumbnail

TC Onstott Memorial Symposium
VIDEO: Part 1

* Recorded presentation

AM
9:00 - 9:05
Welcome at Lewis Library  Bess Ward
9:05 - 9:20  Family Comments  Tullisse Murdock
9:20 - 9:35     Geosciences   Lincoln Hollister
9:35 - 9:45  Paleomagnetism * Wilson Teixeira (Delivered by David Phillips)
9:45 - 10:00   Argon Dating  * Paul Renne
 
10:00 - 10:15 Argon Dating * Chris Hall

TC Onstott Memorial Symposium
VIDEO: Part 2

* Recorded presentation

10:45    -    11:00 Argon Dating  *David Phillips
11:00    -    11:15 Argon Dating  *Ching-Hua Lo
11:15    -    11:30 Argon Dating   Jim K. W. Lee
PM
1:00    -     1:15
Astrobiology   Lisa Pratt
 1:15     -    1:30   Geomicrobiology  Tommy Phelps
 1:30     -    1:45   Geomicrobiology  Susan Pfiffner
1:45     -    2:00   Geomicrobiology  Tom Kieft
2:00    -    2:15   Geomicrobiology  Esta van Heerden
2:15    -    2:30 Geomicrobiology  Mary DeFlaun
3:00    -    3:15  Geomicrobiology *Rick Colwell
3:15    -    3:30   Geomicrobiology *Li-Hung Lin
3:30    -    3:45 Geomicrobiology  *Cara Magnabosco
3:45    -    4:00 Geomicrobiology & Astrobiology Maggie Lau Vetter & Yuheng Chen
4:00    -    4:15  Wrap Up Jim K. W. Lee