The Department of Geosciences and
Princeton University
Congratulates

Rachel L. Harris

on successfully defending her Ph.D. thesis

"Life on the Fringe: Surveying the Ecophysiological Tenacity of Methanogens and Anaerobic Methanotrophs in the Oligotrophic Deep Subsurface Biosphere"

on

Friday
May 1, 2020

Adviser:  Tullis Onstott

The examining committee members were:

Tullis C. Onstott, Bess Ward, Satish Myneni, and
Douglas H. Bartlett (UCSD Scripps)