Margins
548 Market St PMB 65688, San Francisco California 94104-5401 USA
© 2026 Paratext Inc. All rights reserved
Dr. James L. Powell graduated from Berea College with a degree in Geology. He holds a Ph.D. in Geochemistry from the Massachusetts Institute of Technology and taught Geology at Oberlin College for over 20 years. He served as Acting President of Oberlin, President of Franklin and Marshall College, President of Reed College, President of the Franklin Institute Science Museum in Philadelphia, and President and Director of the Los Angeles County Museum of Natural History. Powell currently serves as Executive Director of the National Physical Science Consortium. Asteroid 1987 SH7 is named for him.
Extreme Weather and Climate Change
2011
2011
Sixth Annual Collection
1993
The Ancient Comet Strike that Changed Earth and Human History
2020
Lake Powell, Global Warming, and the Future of Water in the West
2008
Dinosaur Extinction and the Transformation of Modern Geology
1998
A History of Global Warming from the Future
2011
Comets, Craters, Controversy, and the Last Days of the Dinosaurs
1999
How Fraud, AI, and Greed are Corrupting Science
2025
The Age and Evolution of the Earth
2001
Solving Earth's Grandest Puzzle
2005
From Heresy to Truth
2014
How Seafloor Drilling Expeditions Revolutionized Our Understanding of Earth History
2024
