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 GRBs (1) Supernovae (1) (-) High-Energy Pheno (1) State GA (1) Facet State City Albuquerque (1) Amsterdam (1) Asheville (1) Austin (1) Baltimore (2) Bentonville (1) Boulder (1) Calgary (1) Cambridge (3) Chicago (1) Columbia (1) Corvallis (1) Delanco (1) Durham (1) Ewing (1) Flagstaff (1) Gainesville (2) Gilbert (1) Honolulu (1) Incline Village (1) Katonah (1) Los Alamos (1) Los Angeles (1) Madison (2) Mississippi State Univ. (1) Mountain View (1) Newark (1) Norman (1) North Branford (1) Norwich (1) Oxford (1) Palos Verdes Estates (1) Pasadena (2) Paterswolde (1) Playa Del Rey (1) Port Orchard (1) Sandia Park (1) San Diego (1) San Francisco (1) San Ramon (1) Santa Cruz (2) Sendai (1) Sparks (1) Stanford (1) Toledo (1) Tuscaloosa (1) Urbana (1) Vero Beach (1) Victoria (1) Washington (1) West Lafayette (1) Windermere (1) Winthrop (1) (-) Carrollton (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 George Sonneborn Full Emeritus Member Affiliation NASA GSFC State/Province GA Country United States