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 (4) Exopla (3) Astrobio (1) Astronomy Educa (1) Galactic Structure & Stellar Populat (1) (-) Cosmo (1) State (-) MI (1) Facet State City Charles Town (1) (-) Ann Arbor (1) Facet City Membership Class Full Member (1) Facet Membership Class Division DDA (1) HEAD (1) (-) DPS (1) Facet Division Showing 1-1 of 1 results David Gerdes Full Member Affiliation University of Michigan State/Province MI Country United States