Dr. Woodward Fischer

Professor

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Biography

Woodward Fischer is the Jean-Lou Chameau Professor of Geobiology at the California Institute of Technology. His research focuses on historical geobiology, particularly the evolution of oxygenic photosynthesis and the rise of atmospheric oxygen. Fischer also investigates the origin of Archean and Proterozoic iron formations, the distribution and evolution of lipid biomarker synthesis, and the coupled behavior of redox and acid-based processes during critical transitions in Earth's history. He earned his B.A. from Colorado College in 2000 and his Ph.D. from Harvard University in 2007. Fischer has held several positions at Caltech, including Assistant Professor from 2009 to 2014 and Professor from 2014 to 2025 before becoming the Chameau Professor in 2025. Additionally, he served as Associate Director from 2018 to 2021 and will assume the role of Divisional Academic Officer in 2025.

Research Interests

Requirements for California Institute of Technology

Doctorate Program
Requirements
TOEFL
Total
Required:100
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or equivalent Strong background in mathematics and physical sciences
Application Checklist
  • Online Application
  • Statement of Purpose
  • Three Letters of Recommendation
  • Transcripts
  • Resume/CV
Specialization Notes

Most Caltech graduate programs are PhD-only. GRE General and Subject tests vary by department; many have made them optional or no longer accept them.