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) Cosmo (1) Galaxy Formation & Evolu (1) High-Energy Pheno (1) Solar System/Planetary Sci (1) Star Formation & Evolu (1) Supernovae (1) (-) Exopla (1) (-) GRBs (1) State (-) CA (1) Facet State City Los Angeles (1) San Francisco (1) (-) Pasadena (1) Facet City Membership Class Full Emeritus Member (3) Full Member (37) Graduate Student (7) Undergrad Student (1) (-) Educator Affiliate (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Michael Thacher Educator Affiliate Affiliation State/Province CA Country United States