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 Galaxy Formation & Evolu (1) GRBs (1) Supernovae (1) (-) High-Energy Pheno (1) State GA (1) Facet State City Albuquerque (1) Alexandria (1) Asheville (1) Baltimore (1) Bentonville (1) Bethesda (1) Black Hawk (1) Boulder (1) Calgary (2) Cambridge (2) Campbell (1) Catonsville (1) Charleston (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) Geneseo (1) Glasgow (1) Grafton (1) Grand Marais (1) Green Bank (1) Hebron (1) Heidelberg (1) Hillsborough (1) Ioannina (1) Iowa City (1) Johnson City (1) La Canada (1) La Crescenta (1) La Jolla (1) Lititz (1) Los Alamos (1) Los Angeles (2) Madison (1) Mississippi State Univ. (1) Mountain View (1) Newark (1) Newville (1) New York (1) North Branford (1) Orono (1) Ottawa (1) Oxford (1) Palos Verdes Estates (1) Pasadena (2) Pleasant Hill (1) Port Orchard (1) Richmond (1) Rochester (1) Salem (1) Sandia Park (1) San Diego (1) San Jose (1) San Ramon (1) Santa Cruz (2) Santa Fe (1) Seattle (2) Sioux Falls (1) Sparks (1) Stanford (1) Tiverton (1) Toledo (1) Tucson (9) Tuscaloosa (1) University Park (1) Washington (1) Whitewater (1) Williamstown (1) Windermere (1) Winthrop (1) Zurich (1) (-) Carrollton (1) Facet City Membership Class Full Member (2) Graduate Student (1) (-) 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