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 Solar System/Planetary Sci (4) Astronomy Educa (3) Star Formation & Evolu (3) Galactic Structure & Stellar Populat (2) Galaxy Formation & Evolu (2) Heliophy (2) Active Galactic Nu (1) Astrobio (1) Cosmo (1) GRBs (1) High-Energy Pheno (1) Interstellar Me (1) (-) Exopla (1) (-) Supernovae (1) State AB (1) AZ (1) GA (1) ME (1) TN (1) (-) CA (2) Facet State City Pasadena (1) San Ramon (1) Facet City Membership Class Amateur Affiliate (1) Full Member (4) Graduate Student (4) (-) Full Emeritus Member (2) Facet Membership Class Division DPS (5) HEAD (4) DDA (1) SPD (1) (-) HAD (2) Facet Division Showing 1-2 of 2 results Cynthia Cheung Full Emeritus Member Affiliation NASA's GSFC State/Province CA Country United States Stephen Edberg Full Emeritus Member Affiliation State/Province CA Country United States