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 Exopla (5) Solar System/Planetary Sci (5) Astrobio (3) Interstellar Me (3) Star Formation & Evolu (2) Cosmo (1) (-) Astronomy Educa (1) State CA (1) Facet State City Amherst (1) Andover (1) Ann Arbor (4) Arecibo (1) Atlanta (2) Austin (1) Baltimore (3) Belfast (1) Berkeley (1) Bilbao (1) Bothell (1) Boulder (2) Calgary (1) Cambridge (2) Charlottesville (1) Chicago (1) Chino Hills (1) Clarksville (1) Clemson (1) College Park (1) Columbus (1) Corvallis (1) Crestwood (1) Denver (1) Eau Claire (1) Edwardsville (1) Elkton (1) Erie (1) Flagstaff (1) Goleta (1) Grafton (1) Grand Forks (1) Greenwich (1) Groningen (1) Hanover (1) Hebron (1) Henderson (1) Houston (2) Indiana (1) Indianapolis (1) Irvington (1) Kirtland Afb (1) La Canada (1) La Canada Flintridge (1) Laurel (4) Lenexa (1) Lincoln (1) Los Angeles (4) Merced (1) Meudon (1) Mountain View (4) Newark (1) Nolensville (1) Orting (1) Pasadena (4) Pasto, Narino (1) Pittsburgh (1) Princeton (1) Redmond (1) Richmond (1) Rockledge (1) San Francisco (1) San Jose (2) San Ramon (1) Santa Fe (1) Seattle (1) Sendai (1) Sherman (1) South Pasadena (1) Springfield (2) Tempe (1) Toronto (1) Tucson (5) Villiers St Frédéric (1) Washington (1) Westfield (1) Whitmore Lake (1) Woodside (1) (-) Moffett Field (1) Facet City Membership Class Full Member (1) Facet Membership Class Division (-) DPS (1) Facet Division Showing 1-1 of 1 results Douglas Caldwell Full Member Affiliation SETI Institute State/Province CA Country United States