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 Star Formation & Evolu (10) Solar System/Planetary Sci (6) Astronomy Educa (5) Galactic Structure & Stellar Populat (3) Heliophy (2) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Exopla (1) Galaxy Formation & Evolu (1) High-Energy Pheno (1) Supernovae (1) (-) Astrobio (1) (-) GRBs (1) State CA (1) Facet State City San Ramon (1) Facet City Membership Class AM (1) Amateur Affiliate (2) E (8) ED (1) Educator Affiliate (1) F (14) Full Member (5) GR (10) Graduate Student (7) International Affil (2) JR (7) Undergrad Student (6) (-) Full Emeritus Member (1) Facet Membership Class Division HEAD (9) DPS (4) DDA (2) (-) 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