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 (1) Astrobio (1) Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Exopla (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) GRBs (1) Heliophy (1) High-Energy Pheno (1) Star Formation & Evolu (1) (-) Interstellar Me (1) (-) Solar System/Planetary Sci (1) (-) Supernovae (1) State (-) CA (1) Facet State City Orangevale (1) Facet City Membership Class Div Affil - LAD (1) Full Emeritus Member (1) Full Member (5) Undergrad Student (2) (-) Amateur Affiliate (1) Facet Membership Class Division DDA (1) HEAD (1) (-) LAD (1) Facet Division Showing 1-1 of 1 results Bob Guzik Amateur Affiliate Affiliation ASP State/Province CA Country United States