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 (5) Galaxy Formation & Evolu (5) Active Galactic Nu (4) Star Formation & Evolu (4) Interstellar Me (3) Clusters of Galaxies/Large-scale Struc (2) Cosmo (2) Galactic Structure & Stellar Populat (2) Exopla (1) GRBs (1) Heliophy (1) High-Energy Pheno (1) Supernovae (1) (-) Solar System/Planetary Sci (1) State AB (1) AL (3) Anhui (1) AZ (29) CA (71) CO (21) Co. Galway (1) CT (1) Daejeon (1) DC (4) FL (9) GA (4) Guangdong (1) HI (5) IA (2) ID (1) IL (1) IN (4) Japan (1) Kerala (1) KS (2) KY (3) LA (1) MA (20) Macao (1) Madrid (1) MD (61) ME (1) México/B.C. (1) MI (5) MO (1) NC (1) NE (1) NH (3) NJ (6) NM (12) NV (2) NY (12) OK (1) ON (3) OR (1) PA (9) QC (1) RM (1) São Paulo (1) SC (2) Taiwan (1) TN (4) TX (20) UT (3) VA (9) VIC (1) VT (1) WA (7) WI (3) WV (1) (-) MN (1) Facet State City Grand Marais (1) Facet City Membership Class Amateur Affiliate (2) (-) 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