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 (4) Active Galactic Nu (3) Galaxy Formation & Evolu (3) GRBs (3) High-Energy Pheno (3) Supernovae (3) Star Formation & Evolu (1) (-) Clusters of Galaxies/Large-scale Struc (1) State NM (1) (-) IL (1) Facet State City Chicago (1) Evanston (1) Nashville (1) Valparaiso (1) (-) Urbana (1) Facet City Membership Class F (1) Facet Membership Class Division HEAD (1) Facet Division Showing 1-1 of 1 results Paul Ricker F Affiliation University of Illinois, Urbana-Champaign State/Province IL Country United States