Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science GRBs (3) High-Energy Pheno (3) Star Formation & Evolu (3) Supernovae (3) Galaxy Formation & Evolu (2) Active Galactic Nu (1) Astrobio (1) Astronomy Educa (1) Cosmo (1) Exopla (1) Galactic Structure & Stellar Populat (1) Heliophy (1) Interstellar Me (1) Solar System/Planetary Sci (1) (-) Clusters of Galaxies/Large-scale Struc (1) State MA (1) Facet State City Ewing (1) Incline Village (1) Madison (2) Santa Cruz (1) Sendai (1) West Lafayette (1) Winthrop (1) (-) Cambridge (1) Facet City Membership Class Full Member (7) Graduate Student (1) (-) Full Emeritus Member (1) Facet Membership Class Division (-) HEAD (1) Facet Division Showing 1-1 of 1 results George Clark Full Emeritus Member Affiliation MIT State/Province MA Country United States