Woodward Fischer
Professor of Geobiology
B.A., Colorado College, 2000; Ph.D., Harvard University, 2007; D.h.c., Colorado College. Assistant Professor, Caltech, 2009-14; Professor, 2014-; Associate Director, 2018-21.
Research Overview
Historical geobiology; evolution of the oxygenic photosynthesis and rise of atmospheric oxygen; origin of Archean and Proterozoic iron formation; distribution and evolution of lipid biomarker synthesis; coupled behavior of redox and acid based processes at critical transitions in Earth history.
Publications
- Neagu, Nathalie;Kylander-Clark, Andrew et al. (2025) More than an age: U-Pb dating constrains alteration of Precambrian carbonatesEarth and Planetary Science Letters
- Lotem, Noam;Rasmussen, Birger et al. (2025) Reconciling Archean organic-rich mudrocks with low primary productivity before the Great Oxygenation EventProceedings of the National Academy of Sciences
- Yager, Joyce A.;West, A. Joshua et al. (2025) Evidence for Low Dissolved Silica in mid-Mesozoic OceansAmerican Journal of Science
- Perl, Scott M.;Cockell, Charles S. et al. (2024) The Biology of Biosignature Detection: Rationale and Experimental Frameworks for Biological Validation
- Flamholz, Avi I.;Goldford, Joshua E. et al. (2024) Annotation-free prediction of microbial dioxygen utilizationmSystems
- Douglas, Madison M.;Li, Gen K. et al. (2024) Permafrost Formation in a Meandering River FloodplainAGU Advances
- Murali, Ranjani;Pace, Laura A. et al. (2024) Diversity and evolution of nitric oxide reduction in bacteria and archaeaProceedings of the National Academy of Sciences
- Smith, Magdalene I.;Ke, Yutian et al. (2024) Mercury stocks in discontinuous permafrost and their mobilization by river migration in the Yukon River BasinEnvironmental Research Letters
- Clavé, E.;Beyssac, O. et al. (2024) Radiation-induced alteration of apatite on the surface of Mars: first in situ observations with SuperCam Raman onboard PerseveranceScientific Reports
- Kalucha, H.;Douglas, M. M. et al. (2024) Low But Persistent Organic Carbon Content of Hyperarid River Deposits and Implications for Ancient MarsJournal of Geophysical Research: Planets