John N. Hooker
Penn State Geosciences: jzh497 [at] psu.edu
John is an interdisciplinary geologist whose main interest is the physical effects of chemical reactions in Earth’s crust. He teaches a variety of Earth-science courses at Penn State University.
Earth 100 Environment Earth
Earth 103 Earth in the Future
Geosc 202 Environmental Geochemistry
Geosc 452 Hydrogeology
Geosc 454 Geology of Oil and Gas