Bradley Cramer

University of Iowa
Earth & Environmental Sciences

Bradley Cramer works on Earth System Science, deep-time Earth history, stable and radiogenic isotope geochemistry, chemostratigraphy, biostratigraphy, stratigraphic nomenclature, history of geology, geochronology, and the Geologic Time Scale. His work tries to understand the major biotic, chemical, and physical events that punctuate the history of our planet by throwing every tool and proxy at the problem as is possible. Currently, he is the project leader for the International Geoscience Programme (IGCP) Project 591—The Early to Middle Paleozoic Revolution.