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 Cosmo (1) (-) Solar System/Planetary Sci (1) State (-) MD (1) Facet State City Baltimore (4) Bethesda (1) College Park (2) Greenbelt (4) Hanover (1) Laurel (3) Marriottsville (1) Silver Spring (2) Towson (1) Tucson (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