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) Solar System/Planetary Sci (4) Star Formation & Evolu (4) Supernovae (4) Astronomy Educa (2) Cosmo (2) Exopla (2) Galactic Structure & Stellar Populat (2) Heliophy (2) Interstellar Me (2) Astrobio (1) Galaxy Formation & Evolu (1) (-) Active Galactic Nu (2) (-) Clusters of Galaxies/Large-scale Struc (1) State (-) MD (2) Facet State City Alexandria (1) Annapolis (1) Baltimore (26) Belmont (1) Boulder (1) Catonsville (1) Chevy Chase (1) Crownsville (1) Ellicott City (1) Gaithersburg (1) Germantown (1) Greenbelt (10) Laurel (2) Marriottsville (1) Middle River (1) Mountain View (1) Socorro (1) Washington (5) (-) Silver Spring (2) Facet City Membership Class Full Member (2) Facet Membership Class Division HEAD (1) Facet Division Showing 1-2 of 2 results Laurence Twigg Full Member Affiliation SSAI State/Province MD Country United States Haocheng Zhang Full Member Affiliation UMBC/NASA GSFC State/Province MD Country United States