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 Solar System/Planetary Sci (4) Astronomy Educa (3) Cosmo (3) Active Galactic Nu (2) Clusters of Galaxies/Large-scale Struc (2) Galaxy Formation & Evolu (2) Heliophy (2) Interstellar Me (2) Star Formation & Evolu (2) GRBs (1) High-Energy Pheno (1) Supernovae (1) (-) Galactic Structure & Stellar Populat (1) State (-) TX (1) Facet State City Austin (2) Brownsville (2) Canyon (1) Cleveland Heights (1) Edinburg (1) Missouri City (1) Nashville (1) San Angelo (2) Waco (1) (-) Farmersville (1) Facet City Membership Class Full Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results William Powell Full Member Affiliation Collin College State/Province TX Country United States