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 Active Galactic Nu (15) GRBs (12) High-Energy Pheno (12) Supernovae (12) Star Formation & Evolu (11) Clusters of Galaxies/Large-scale Struc (7) Cosmo (6) Interstellar Me (6) Astronomy Educa (4) Exopla (4) Galaxy Formation & Evolu (4) Heliophy (4) Galactic Structure & Stellar Populat (3) Solar System/Planetary Sci (3) (-) Astrobio (1) State (-) MA (1) Facet State City (-) Cambridge (1) Facet City Membership Class Full Emeritus Member (1) Facet Membership Class Division DDA (1) DPS (1) HAD (1) (-) HEAD (1) Facet Division Showing 1-1 of 1 results George Clark Full Emeritus Member Affiliation MIT State/Province MA Country United States