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 (-) Astronomy Educa (1) (-) Solar System/Planetary Sci (1) State MN (1) Facet State City Albuquerque (1) Altadena (1) Ames (1) Annapolis (1) Arecibo (1) Atlanta (2) Baltimore (1) Bethesda (1) Boulder (1) Calgary (1) Cambridge (1) Carlisle (1) Catonsville (1) Chadds Ford (1) Charles Town (1) Charlottesville (3) Chester (2) Chestnut Hill (1) Chula Vista (1) Clarksville (2) Columbia (1) Commerce (1) Concord (1) Denver (1) Elkton (1) Flagstaff (2) Gainesville (1) Gaithersburg (1) Geneseo (1) Gilbert (1) Grafton (1) Grand Forks (1) Greenbelt (1) Harbor City (1) Hebron (1) Honolulu (1) Huntsville (1) Incline Village (1) Indianapolis (1) Ioannina (1) Irvington (1) Ithaca (1) Johnson City (1) La Canada (1) La Crescenta (1) La Jolla (1) Lakewood (1) Laramie (1) Laurel (1) London (1) Los Angeles (2) Magdalena (1) Merced (1) Middletown (1) Moffett Field (1) Mountain View (1) Murfreesboro (1) Nashville (2) Newark (2) New Haven (2) New York (1) Oklahoma City (1) Palm Desert (1) Pasadena (2) Pittsburgh (2) Portland (1) Portsmouth (1) Preston (1) Rancho Mirage (1) Richardson (1) Richmond (1) San Antonio (1) San Francisco (1) San Marcos (1) San Ramon (1) Seattle (1) Sidney (1) Silver Spring (1) South Pasadena (1) Tbilisi (1) Tucson (5) Vancouver (1) Verona (1) Whitewater (1) Woodside (1) Ypsilanti (1) (-) Grand Marais (1) Facet City Membership Class Full Emeritus Member (1) Facet Membership Class Division (-) HAD (1) Facet Division Showing 1-1 of 1 results Mark Hollabaugh Full Emeritus Member Affiliation State/Province MN Country United States