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 Clusters of Galaxies/Large-scale Struc (1) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) State Facet State City Ames (1) Cedar Rapids (1) Iowa City (2) Facet City Membership Class Facet Membership Class Division Facet Division