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 Active Galactic Nu (2) GRBs (2) High-Energy Pheno (2) Supernovae (2) Cosmo (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) Heliophy (1) Interstellar Me (1) (-) Clusters of Galaxies/Large-scale Struc (2) State MD (1) VA (1) (-) DC (2) Facet State City (-) Washington (2) Facet City Membership Class (-) Full Member (2) Facet Membership Class Division (-) HEAD (2) Facet Division Showing 1-2 of 2 results Tracy Clarke Full Member Affiliation Naval Research Lab. State/Province DC Country United States Patricia Knezek Full Member Affiliation NASA HQ State/Province DC Country United States