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 High-Energy Pheno (1) Supernovae (1) (-) GRBs (1) State GA (1) Facet State City Albuquerque (1) Asheville (1) Baltimore (1) Bentonville (1) Calgary (2) Cambridge (2) Campbell (1) Catonsville (1) Charleston (1) Chester (1) Columbia (1) Corvallis (1) Delanco (1) Durham (1) Evanston (1) Ewing (1) Flagstaff (1) FPO (1) Gainesville (1) Grafton (1) Grand Marais (1) Green Bank (1) Hebron (1) Hillsborough (1) Ioannina (1) Johnson City (1) La Canada (1) Los Alamos (1) Los Angeles (1) Madison (1) Mississippi State Univ. (1) Mountain View (1) Newark (1) Newville (1) North Branford (1) Oxford (1) Palos Verdes Estates (1) Pasadena (1) Pleasant Hill (1) Port Orchard (1) Richmond (1) Sandia Park (1) San Diego (1) San Jose (1) San Ramon (1) Santa Cruz (2) Sioux Falls (1) Sparks (1) Stanford (1) Toledo (1) Tucson (5) Tuscaloosa (1) Washington (1) Whitewater (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