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 Star Formation & Evolu (1) State Facet State City Austin (1) Chicago (4) Edwardsville (1) Evanston (4) Mt Prospect (1) Urbana (4) Facet City Membership Class Facet Membership Class Division Facet Division