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 Los Angeles (1) Pasadena (1) Rancho Mirage (1) South Pasadena (1) Woodside (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