Professor, Dept. Geology, University of Georgia (Athens GA) Michael Roden was trained in petrology (origin of igneous and metamorphic rocks) at the University of Texas and MIT, and has taught this subject at the University of Georgia for 24 years. He has a thorough knowledge of the physical and chemical natures of stone and is highly experienced in the microscopic and macroscopic analysis of stone material. Dr. Roden obtained his PhD. from MIT in 1982 and after two years as a Research Associate at the University of Minnesota, he accepted an appointment as an Assistant Professor at the University of Georgia. He is currently Professor and Head of the Department of Geology where he teaches petrology and geochemistry and pursues research in the origin of igneous rocks. He is a frequent author (more than 40 papers) and reviewer of the scientific literature. Dr. Roden has served as a technical adviser to US Customs and Border Protection regarding the nature of imported stone products as well as to business interests concerned with the quality and durability of building stone.
Mr. Hueston is a nationally known consultant and the founder of Stone Forensics.
He earned a Bachelor of Science degree in Chemical and Physical Science (Limnology) (University of Central Florida 1981) . He is a certified master stone craftsman and Architectural Conservator, a member of ASTM (American Society for Testing Materials) C-18 committee. He is a Technical Editor for Stone World Magazine and instructor for Certified Marble and Stone Inspectors via IICRC and has appeared on several television shows including The Discovery Channel, HGTV and several local talk shows.Mr. Hueston frequently presents seminars and presentations for stone, tile and historical associations. He has published over 100 articles on stone installation, care & restoration in both the United States and foreign publications and journals.