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) 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 (-) Cambridge (1) Facet City Membership Class Full Member (9) 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