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 Heliophy (1) Interstellar Me (1) Solar System/Planetary Sci (1) (-) Astrobio (1) State MD (1) Facet State City Boulder (1) Flagstaff (1) Noordwijk ZH (1) Pasadena (2) Silver Spring (1) Villiers St Frédéric (1) (-) Greenbelt (1) Facet City Membership Class F (17) Full Member (4) (-) 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