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 Collegeville (1) Hastings (1) Minneapolis (2) Saint Paul (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