Dr. John Eiler

Professor

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Biography

Professor John M. Eiler is a recognized expert in isotope geochemistry, particularly light elements such as hydrogen, carbon, nitrogen, oxygen, and sulfur. His research probes the origins and evolutions of igneous rocks and meteorites, providing insights into planetary atmospheres and their environmental chemistry. With a distinguished academic career spanning several decades, Eiler has contributed significantly to our understanding of paleoclimate and paleontology. He has held positions as a research fellow and has moved through the ranks from Assistant Professor to Professor at Caltech, demonstrating a commitment to education and research in the field of geological and planetary sciences. He currently serves as the Sharp Professor in Geology and Geochemistry and holds the Ted Ginger Jenkins Leadership Chair. Eiler's work also emphasizes interdisciplinary approaches, bridging the gaps between geology, chemistry, and planetary science, making impactful contributions to the scientific community and education.

Research Interests

Experience

Professor

— Present

California Institute of Technology • Pasadena, CA

Leading research and academic initiatives in the field of geology and geochemistry.

Associate Professor

— Present

California Institute of Technology • Pasadena, CA

Conducting advanced research and teaching in geochemistry.

Assistant Professor

— Present

California Institute of Technology • Pasadena, CA

Engaged in research and undergraduate instruction in planetary sciences.

Research Fellow

— Present

California Institute of Technology • Pasadena, CA

Focused on isotope geochemistry and light elements.

Senior Research Fellow

— Present

California Institute of Technology • Pasadena, CA

Advanced research in geochemistry.

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.