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 (2) Solar System/Planetary Sci (2) Astronomy Educa (1) (-) Cosmo (1) State AZ (1) CA (3) CT (2) HI (1) MD (3) México/B.C. (1) NY (1) OH (1) ON (1) PA (1) WI (1) (-) MI (1) Facet State City Ann Arbor (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division HEAD (2) DPS (1) (-) DDA (1) Facet Division Showing 1-1 of 1 results David Gerdes Full Member Affiliation University of Michigan State/Province MI Country United States