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 Galaxy Formation & Evolu (2) GRBs (2) High-Energy Pheno (2) Star Formation & Evolu (2) Supernovae (2) Active Galactic Nu (1) Astrobio (1) Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Exopla (1) Galactic Structure & Stellar Populat (1) Heliophy (1) Interstellar Me (1) (-) Solar System/Planetary Sci (1) State MA (1) Facet State City Boulder (1) Chestnut Hill (1) Durham (1) Sendai (1) (-) Cambridge (1) Facet City Membership Class Full Member (3) (-) 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