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 Astrobio (2) Astronomy Educa (2) Exopla (2) Solar System/Planetary Sci (2) Active Galactic Nu (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) GRBs (1) High-Energy Pheno (1) Interstellar Me (1) Star Formation & Evolu (1) Supernovae (1) (-) Heliophy (1) State MA (1) Facet State City Austin (1) Boulder (1) College Park (1) Cullowhee (1) Ioannina (1) Lititz (1) Poughkeepsie (1) Salem (1) Santa Fe (1) Seattle (2) Tiverton (1) University Park (1) Urbana (1) Wellesley (1) Zurich (1) (-) Cambridge (1) Facet City Membership Class F (4) Full Member (1) GR (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