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) GRBs (3) High-Energy Pheno (3) Interstellar Me (3) Solar System/Planetary Sci (3) Supernovae (3) Active Galactic Nu (2) Galactic Structure & Stellar Populat (2) Galaxy Formation & Evolu (2) Star Formation & Evolu (2) Astrobio (1) Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) (-) Cosmo (1) State (-) MI (1) Facet State City East Lansing (1) Minneapolis (1) Oakland (1) (-) Ann Arbor (1) Facet City Membership Class Graduate Student (1) (-) 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