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Randall T. Cygan Biography Randall T. Cygan received his MS in 1980 and PhD in 1983, earning both degrees in Geochemistry and Mineralogy from the College of Earth and Mineral Sciences at Pennsylvania State Univeristy. He is a Senior Scientist at Sandia National Laboratories in Albuquerque, New Mexcio. In 1977 he received his B.S. degree cum laude in Chemistry with a minor in Geology from the University of Illinois at Chicago. While attending undergraduate school he taught elementary chemistry and assisted with research in an experimental petrology laboratory. In 1980 he spent the summer with the United States Geological Survey in Denver, Colorado investigating the chemistry and kinetics of rock-water interactions. Cygan joined the Geochemistry Department of Sandia National Laboratories in 1983. He also spent two years as an assistant professor in the Geology Department at the University of Illinois in Urbana, Illinois. His research interests are varied, including investigations of mineral equilibria, chemical kinetics, surface chemistry of minerals, adsorption and dissolution of minerals, shock metamorphism, interfacial behavior of materials, structure and transport properties of battery materials, and molecular modeling of minerals and geochemical processes. Randall Cygan has published extensively in various geological, chemical, and materials science journals, and has received numerous honors including membership in Phi Eta Sigma and Phi Kappa Phi honor societies. He is a Centennial Fellow of the College of Earth and Minearal Science at Pennsylvania State University and a Fellow of the Mineralogical Society of America. He recently received the Brindley Lecture Award from the Clay Minaerals Society. He is married to Donna Skeels Cygan and has two daughters, Kate and Nora.