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 (4) High-Energy Pheno (4) Star Formation & Evolu (4) Supernovae (4) Active Galactic Nu (2) Clusters of Galaxies/Large-scale Struc (2) Galaxy Formation & Evolu (2) Solar System/Planetary Sci (2) Astrobio (1) Astronomy Educa (1) Cosmo (1) Galactic Structure & Stellar Populat (1) Heliophy (1) Interstellar Me (1) (-) Exopla (1) State AB (1) AZ (2) CA (8) CO (2) FL (3) MD (1) ME (1) MI (1) NC (1) NJ (1) NM (4) NV (1) PA (2) TN (1) TX (1) VA (1) VT (1) WA (1) (-) MA (1) Facet State City Cambridge (1) Facet City Membership Class Alumni Affiliate (2) Amateur Affiliate (2) Div Affil - DPS (1) Educator Affiliate (1) Full Member (30) Graduate Student (3) Undergrad 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