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 Exopla (3) Solar System/Planetary Sci (3) Astrobio (1) Astronomy Educa (1) (-) Cosmo (1) State (-) MI (1) Facet State City (-) Ann Arbor (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division DDA (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