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 (2) Alexandria (1) Ann Arbor (1) Asheville (1) Austin (2) Baltimore (3) Bentonville (1) Black Hawk (1) Boulder (1) Calgary (2) Cambridge (2) Campbell (1) Catonsville (1) Charleston (1) Charlottesville (1) Chester (1) Chevy Chase (1) College Park (1) Columbia (1) Corvallis (1) Delanco (1) Durham (1) Evanston (1) Ewing (1) Flagstaff (1) FPO (1) Gainesville (1) Gilbert (1) Grafton (1) Grand Marais (1) Green Bank (1) Hanover (1) Hebron (1) Heidelberg (1) Hillsborough (1) Hilo (1) Incline Village (1) Ioannina (1) Johnson City (1) La Canada (1) Las Cruces (1) Lititz (1) Los Alamos (1) Los Angeles (1) Madison (2) Mississippi State Univ. (1) Mountain View (1) Mount Pleasant (1) Newark (1) Newville (1) North Branford (1) Oxford (1) Palos Verdes Estates (1) Pasadena (1) Playa Del Rey (1) Pleasant Hill (1) Port Orchard (1) Preston (1) Richmond (1) Sandia Park (1) San Diego (1) San Francisco (1) San Jose (1) San Ramon (1) Santa Cruz (3) Santa Fe (1) Seattle (1) Sendai (1) Sioux Falls (1) Sparks (1) Stanford (1) Toledo (1) Tucson (5) Tuscaloosa (1) University Park (1) Vero Beach (1) Washington (1) West Dennis (1) West Lafayette (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