Eldor A. Paul is a Senior Research Scientist at the Natural Resources Ecology Laboratory at Colorado State University, Fort Collins and Professor Emeritus at Michigan State University, East Lansing. During his time at Michigan State, he was professor of Soil Microbiology and Biochemistry, and Crop and Soil Sciences. He earned degrees from the University of Alberta and the University of Minnesota. His research focuses on the dynamics of soil organic matter and the microbial ecology of soil. Dr. Paul is a Fellow of ASA, SSSA, the Canadian Society of Soil Science, and the American Association for the Advancement of Science.