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 (6) Astrobio (3) Exopla (3) Astronomy Educa (2) GRBs (1) High-Energy Pheno (1) (-) Star Formation & Evolu (2) (-) Supernovae (1) State CO (1) IA (1) NY (1) PA (1) (-) CA (2) Facet State City San Ramon (1) Facet City Membership Class F (6) Full Member (4) GR (3) Graduate Student (1) JR (1) (-) Full Emeritus Member (2) Facet Membership Class Division HAD (2) HEAD (1) (-) DPS (2) Facet Division Showing 1-2 of 2 results William Borucki Full Emeritus Member Affiliation State/Province CA Country United States Cynthia Cheung Full Emeritus Member Affiliation NASA's GSFC State/Province CA Country United States