Background
Johnston, Clifford Thomas was born on October 3, 1955 in Colorado Springs, Colorado, United States.
Soil and environmental chemistry educator
Johnston, Clifford Thomas was born on October 3, 1955 in Colorado Springs, Colorado, United States.
Bachelor of Science in Chemistry, University of California, Riverside, 1979; Doctor of Philosophy in Soil and Environmental Chemistry, University of California, Riverside, 1983.
Postdoctoral fellow, Los Alamos (New Mexico) National Laboratory, 1983-1985;
assistant professor department soil science, U. Florida, Gainesville, 1985-1990;
associate professor, U. Florida, Gainesville, since 1990;
associate professor, Purdue University, since 1993. Sabbatical fellow K.U. Leuven, Belgium, 1991-1992. Consultant for Los AlamosNat.
Laboratory, Battelle Pacific N.W. National Laboratory, English China Clay American, Inc., Chemical Manufacturers Association.
Member American Chemical Society, Soil Science Society American, Clay Minerals Society.