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 (4) Solar System/Planetary Sci (4) Astronomy Educa (2) Astrobio (1) (-) Cosmo (1) State CA (6) FL (1) MD (1) NM (1) PA (1) WA (1) (-) MI (1) Facet State City Ann Arbor (1) Facet City Membership Class Graduate Student (1) (-) 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