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 (1) Astronomy Educa (1) GRBs (1) Solar System/Planetary Sci (1) Star Formation & Evolu (1) Supernovae (1) (-) High-Energy Pheno (1) State (-) CA (1) Facet State City Ewing (1) Los Angeles (1) Palos Verdes Estates (1) San Diego (1) Stanford (1) (-) San Ramon (1) Facet City Membership Class (-) Full Emeritus Member (1) Facet Membership Class Division DPS (1) HAD (1) Facet Division Showing 1-1 of 1 results Cynthia Cheung Full Emeritus Member Affiliation NASA's GSFC State/Province CA Country United States