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) Alexandria (1) Ann Arbor (1) Asheville (1) Austin (1) Baltimore (1) Black Hawk (1) Boulder (1) Calgary (1) Cambridge (2) College Park (1) Corvallis (1) Delanco (1) Durham (1) Ewing (1) Gainesville (1) Hanover (1) Hebron (1) Heidelberg (1) Hillsborough (1) Johnson City (1) Las Cruces (1) Lititz (1) Los Alamos (1) Los Angeles (1) Madison (1) Mississippi State Univ. (1) Newark (1) North Branford (1) Oxford (1) Palos Verdes Estates (1) Pasadena (1) Playa Del Rey (1) Port Orchard (1) Sandia Park (1) San Diego (1) San Francisco (1) San Jose (1) San Ramon (1) Santa Cruz (2) Santa Fe (1) Seattle (1) Sparks (1) Stanford (1) Toledo (1) Tucson (2) University Park (1) Vero Beach (1) Washington (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