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 Astrobio (1) Heliophy (1) Solar System/Planetary Sci (1) (-) Interstellar Me (1) State MD (1) Facet State City Bethesda (1) Calgary (1) Damascus (1) Hanover (1) Hebron (1) La Crescenta (1) Onsala (1) Richmond (1) Tucson (1) Washington (1) (-) Greenbelt (1) Facet City Membership Class F (3) (-) Div Affil - DPS (1) Facet Membership Class Division (-) DPS (1) Facet Division Showing 1-1 of 1 results Edward Sittler Div Affil - DPS Affiliation NASA'S GSFC State/Province MD Country United States