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) Alexandria (1) Ames (2) Amsterdam (1) Anderson (1) Annandale (1) Annapolis (1) Ann Arbor (1) Ashburn (1) Ashland (1) Austin (2) Bethesda (2) Boston (1) Boulder (3) Brockscheid (1) Burlington (1) Calgary (1) Cambridge (2) Carlsbad (1) Catonsville (1) Charlottesville (2) Chester (1) Chestnut Hill (1) Chevy Chase (1) Chicago (1) Cloudcroft (1) College Station (2) Collegeville (1) Columbia (2) Columbus (1) Concord (1) Delavan (1) Denver (1) Dryden (1) East Lansing (2) Egg Harbor City (1) Ellicott City (1) Etobicoke (1) Gainesville (3) Geneseo (1) Gilbert (1) Grafton (1) Grand Marais (1) Green Valley (2) Halifax (1) Hamden (1) Hanover (1) Hastings (1) Hebron (1) Honolulu (1) Huntington Beach (1) Incline Village (1) Ioannina (1) Islamorada (1) Johnson City (1) Kansas City (1) Kensington (1) Knoxville (1) La Canada (2) La Canada Flintridge (1) La Crescenta (1) Lake Arrowhead (1) Leiderdorp (1) Long Beach (1) Los Alamos (1) Lund (1) Madison (1) Marcellus (1) Marina (1) Marlton (1) Mckinleyville (1) Medford (1) Moretown (1) Morgantown (1) Mountain View (1) Newton (1) Ogden (1) Pasadena (4) Paterswolde (1) Pflugerville (1) Portland (2) Port Orange (1) Portsmouth (1) Rancho Cucamonga (1) Richmond (1) Riverside (1) Rockville (1) Rohnert Park (1) Saint Paul (1) Salvador (1) San Antonio (1) San Francisco (1) San Ramon (1) Santa Cruz (1) Satellite Beach (1) Scottsdale (1) Seattle (2) Socorro (2) Springfield (3) St. Bruno de Montarville (1) Susan (1) Sweet Briar (1) Tucson (6) Tuscaloosa (2) Urbana (1) Valdosta (1) Vancouver (1) Venice (1) Washington (1) Washoe Valley (1) Whitewater (1) Williams Bay (2) Williamsville (1) Wilmington (1) Worthington (1) Youngstown (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