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 GRBs (7) High-Energy Pheno (7) Supernovae (7) Clusters of Galaxies/Large-scale Struc (4) Active Galactic Nu (3) Cosmo (3) Galaxy Formation & Evolu (2) Interstellar Me (2) Heliophy (1) Solar System/Planetary Sci (1) (-) Galactic Structure & Stellar Populat (1) State AL (3) AZ (3) CA (8) CT (1) FL (1) GA (1) IN (1) MA (4) MD (7) MI (2) NC (1) ND (1) NM (1) NSW (1) NV (2) NY (3) OH (1) ON (1) PA (1) TX (3) WA (2) WI (1) (-) DC (1) Facet State City Washington (1) Facet City Membership Class Full Member (1) Facet Membership Class Division HAD (3) DDA (2) DPS (2) (-) HEAD (1) Facet Division Showing 1-1 of 1 results Patricia Knezek Full Member Affiliation NASA HQ State/Province DC Country United States