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) (-) High-Energy Pheno (1) (-) Supernovae (1) State GA (1) Facet State City Albuquerque (1) Ames (1) Amsterdam (1) Annapolis (1) Arecibo (1) Atlanta (1) Baltimore (1) Beijing (1) Bethesda (1) Boulder (1) Calgary (1) Cambridge (3) Carlisle (1) Catonsville (1) Chadds Ford (1) Charles Town (1) Charlottesville (2) Chester (2) Chestnut Hill (1) Chula Vista (1) Clarksville (1) Columbus (1) Concord (1) Denver (1) Ellicott City (1) Flagstaff (1) Gainesville (2) Gaithersburg (1) Geneseo (1) Grand Forks (1) Grand Marais (1) Harrisonburg (1) Hebron (1) Honolulu (1) Incline Village (1) Indianapolis (1) Irvington (1) Ithaca (1) La Canada (1) La Crescenta (1) La Jolla (1) Lakewood (1) Laramie (1) Laurel (1) Leiderdorp (1) London (1) Los Angeles (2) Lowell (1) Magdalena (1) Merced (1) Middletown (1) Moffett Field (1) Mountain View (1) Murfreesboro (1) Newark (2) New Haven (2) Nolensville (1) Norman (1) Palm Desert (1) Pasadena (5) Pittsburgh (1) Portland (1) Portsmouth (1) Preston (1) Rancho Mirage (1) Roma (1) Sacramento (1) Salt Lake City (1) San Antonio (1) San Francisco (1) San Marcos (1) San Ramon (1) Seattle (1) Silver Spring (1) South Pasadena (1) Tbilisi (1) Toowoomba (1) Tucson (5) Westfield (1) Whitewater (1) Woodside (1) Ypsilanti (1) (-) Carrollton (1) Facet City Membership Class Full Emeritus Member (1) Facet Membership Class Division DPS (1) LAD (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