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 Galaxy Formation & Evolu (1) State Facet State City Boston (2) Cambridge (8) Durham (1) Englewood (1) Hubbardston (1) Lexington (1) Lowell (2) Madison (1) Medford (1) Facet City Membership Class F (3) Facet Membership Class Division Facet Division