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 Solar System/Planetary Sci (1) (-) Astronomy Educa (1) State MN (1) Facet State City Altadena (1) Annapolis (1) Arecibo (1) Atlanta (2) Baltimore (1) Beijing (1) Bethesda (1) Calgary (1) Cambridge (1) Carlisle (1) Catonsville (1) Chadds Ford (1) Chapel Hill (1) Charles Town (1) Charlottesville (3) Chester (2) Chula Vista (1) Clarksville (2) Columbia (1) Commerce (1) Concord (1) Daytona Beach (1) Denver (1) Elkton (1) Flagstaff (1) Gaithersburg (1) Grafton (1) Grand Forks (1) Greenbelt (2) Harbor City (1) Hebron (1) Huntsville (1) Indianapolis (1) Ioannina (1) Irvington (1) Ithaca (1) Johnson City (1) La Canada (1) Lakewood (1) Laramie (1) Laurel (1) London (1) Los Angeles (2) Magdalena (1) Middletown (1) Moffett Field (1) Mountain View (1) Nashville (1) Newark (1) New Haven (3) New York (1) Oklahoma City (1) Palm Desert (1) Pasadena (2) Pittsburgh (2) Portland (1) Preston (1) Rancho Mirage (1) Richardson (1) Richmond (1) Sacramento (1) San Francisco (1) San Marcos (1) San Ramon (1) Seattle (1) Sidney (1) South Pasadena (1) Tucson (3) 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