George T. (Rusty) Gray, III is a Laboratory Fellow in the dynamic properties and constitutive modeling team within the Materials Science Division of Los Alamos National Laboratory (LANL). He received his BS(1976) and MS(1977) from South Dakota School of Mines and Technology.  He came to LANL following a three-year visiting scholar post at the Technical University of Hamburg-Harburg in Hamburg, Germany after his PhD in Materials Science in 1981 from Carnegie-Mellon University. Gray conducts fundamental, applied, and focused programmatic research on high-strain-rate and shock deformation.

Gray is a Life Member of Clare Hall, University of Cambridge in the UK.  He co-chaired the Physical Metallurgy Gordon Conference in 2000.  He is a Fellow of the American Physical Society (APS), a Fellow of ASM International (ASM), and a Fellow of the Minerals, Metals, and Materials Society (TMS).  He is a member of APS, ASM, TMS, and serves on the Advisory Board of the European DYMAT Association.  In 2010 he served as the President of the Minerals, Metals, and Materials Society. Starting in 2012 he became the Chair of the Acta Materialia Board of Governors which overseas the publication of the journals Acta Materialia, Scripta Materialia, Acta Biomaterialia, and Materialia.

Gray has authored or co-authored over 450 publications.  In 2017 he was elected to the National Academy of Engineering (NAE).  In 2018 he was awarded the Rinehart Award from the European DYMAT Association.  In 2019 the American Physical Society awarded him the 2019 George E. Duvall Shock Compression Science Award.