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 Astrobio (6) Interstellar Me (6) Solar System/Planetary Sci (6) Star Formation & Evolu (5) Exopla (4) GRBs (3) High-Energy Pheno (3) Supernovae (3) Active Galactic Nu (2) Astronomy Educa (2) Cosmo (2) Galactic Structure & Stellar Populat (2) Galaxy Formation & Evolu (2) Heliophy (2) (-) Clusters of Galaxies/Large-scale Struc (2) State IA (1) MA (2) MD (2) NY (1) OR (1) PA (1) WI (1) (-) CA (2) Facet State City Orangevale (1) Facet City Membership Class Amateur Affiliate (1) Undergrad Student (1) Facet Membership Class Division HEAD (17) DDA (6) DPS (6) HAD (4) SPD (4) (-) LAD (2) Facet Division Showing 1-2 of 2 results León García Undergrad Student Affiliation Stanford State/Province CA Country United States Bob Guzik Amateur Affiliate Affiliation ASP State/Province CA Country United States