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Craig M Bethke

Profile picture for Craig M Bethke

Contact Information

Geology, 156 Computer Applications Building
605 E Springfield Ave.
M/C 235


Craig Bethke has stepped down from teaching in the Department of Geology, and now devotes full-time efforts toward his geochemical software development company located right here in Champaign-Urbana.  Many geochemists and environmental professionals have used The Geochemist's Workbench™ software to help address questions related to aqueous chemistry and microbial activity.  TheGeochemist's Workbench™ web site can be found at:

Additional Campus Affiliations

Professor Emeritus, Geology

Recent Publications

Flynn, T. M., Sanford, R. A., Ryu, H., Bethke, C. M., Levine, A. D., Ashbolt, N. J., & Santo Domingo, J. W. (2013). Functional microbial diversity explains groundwater chemistry in a pristine aquifer. BMC microbiology, 13(1), Article 146.

Flynn, T. M., Sanford, R. A., Santo Domingo, J. W., Ashbolt, N. J., Levine, A. D., & Bethke, C. M. (2012). The active bacterial community in a pristine confined aquifer. Water Resources Research, 48(9), Article W09510.

Bethke, C. M., Sanford, R. A., Kirk, M. F., Jin, Q., & Flynn, T. M. (2011). The thermodynamic ladder in geomicrobiology. American Journal of Science, 311(3), 183-210.

Jin, Q., & Bethke, C. M. (2009). Cellular energy conservation and the rate of microbial sulfate reduction. Geology, 37(11), 1027-1030.

Park, J., Sanford, R. A., & Bethke, C. M. (2009). Microbial activity and chemical weathering in the Middendorf aquifer, South Carolina. Chemical Geology, 258(3-4), 232-241.

View all publications on Illinois Experts