Craig M. BethkeCraig M. Bethke is the R. E. Grim Professor emeritus at the University of Illinois and principal author of The Geochemist's Workbench® software. He is recipient of the M. King Hubbert, O. E. Meinzer, and Waldemar Lindgren awards. Drawing on a four-deade career in industry, academia, consulting, and entrepreneurship, he is an authority on multicomponent chemical modeling. Read More Read Less