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 (6) Astronomy Educa (5) Heliophy (4) Exopla (3) Active Galactic Nu (2) Astrobio (2) Galaxy Formation & Evolu (1) Interstellar Me (1) Star Formation & Evolu (1) (-) Cosmo (1) State (-) MD (1) Facet State City Alexandria (1) Baltimore (17) Bethesda (1) Boulder (1) Gaithersburg (1) Germantown (1) Greenbelt (5) Marriottsville (1) Socorro (1) Washington (1) (-) Glenn Dale (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Edward Cheng Full Member Affiliation Conceptual Analytics State/Province MD Country United States