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) Amherst (1) Ann Arbor (1) Asheville (1) Baltimore (1) Berkeley (2) Bloomington (1) Calgary (1) Cambridge (6) Chapel Hill (1) Chicago (1) Clemson (1) Columbus (1) Corvallis (2) Delanco (1) Durham (1) Ewing (1) Gainesville (1) Grand Forks (1) Hanover (2) Hyattsville (1) Laramie (1) Los Alamos (1) Los Angeles (2) Lowell (1) Madison (3) Melbourne (2) Minneapolis (1) Mississippi State Univ. (1) Morgantown (1) Nashville (1) Newark (1) New York (1) North Branford (1) Oxford (1) Palos Verdes Estates (1) Pasadena (1) Plattsburgh (1) Portland (1) Port Orchard (1) Rancho Mirage (1) Salt Lake City (1) Sandia Park (1) San Diego (1) San Ramon (1) Seattle (2) Sparks (1) Stanford (1) Toledo (1) Tucson (1) University Park (1) Urbana (1) Vancouver (1) Washington (2) Windermere (1) Winthrop (1) Woodside (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