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) Solar System/Planetary Sci (3) Astronomy Educa (2) Cosmo (2) Exopla (2) Galactic Structure & Stellar Populat (2) Interstellar Me (2) Astrobio (1) Clusters of Galaxies/Large-scale Struc (1) Galaxy Formation & Evolu (1) Heliophy (1) (-) Active Galactic Nu (2) State (-) MD (2) Facet State City Alexandria (1) Annapolis (1) Baltimore (17) Boulder (1) Catonsville (1) Crownsville (1) Gaithersburg (1) Greenbelt (9) Laurel (2) Marriottsville (1) Mountain View (1) Socorro (1) Washington (2) (-) 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