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 Galaxy Formation & Evolu (3) Clusters of Galaxies/Large-scale Struc (2) Cosmo (2) Galactic Structure & Stellar Populat (2) GRBs (2) High-Energy Pheno (2) Solar System/Planetary Sci (2) Supernovae (2) Active Galactic Nu (1) Astronomy Educa (1) Interstellar Me (1) (-) Star Formation & Evolu (2) (-) Astrobio (1) (-) Exopla (1) (-) Heliophy (1) State NJ (1) NY (1) Facet State City Marlton (1) Poughkeepsie (1) Facet City Membership Class Alumni Affiliate (1) AM (1) Div Affil - LAD (3) Division Affiliate (1) E (6) F (18) Full Member (16) GR (3) Graduate Student (3) IA (2) International Affil (1) JR (2) (-) Full Emeritus Member (1) (-) Undergrad Student (1) Facet Membership Class Division HAD (18) DPS (17) SPD (15) DDA (7) HEAD (7) (-) LAD (2) Facet Division Showing 1-2 of 2 results Juan Guerrero Undergrad Student Affiliation Vassar College State/Province NY Country United States Hugh Van Horn Full Emeritus Member Affiliation Retired State/Province NJ Country United States