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 State DC (1) Facet State City Baltimore (3) Elkton (1) San Marcos (1) Facet City Membership Class Div Affil - DPS (3) Full Emeritus Member (1) Full Member (5) Facet Membership Class Division Facet Division