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 Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galaxy Formation & Evolu (1) Interstellar Me (1) Star Formation & Evolu (1) (-) Galactic Structure & Stellar Populat (1) State (-) IA (1) Facet State City Cedar Rapids (1) Iowa City (1) (-) Grinnell (1) Facet City Membership Class F (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Charlotte Christensen F Affiliation Grinnell College State/Province IA Country United States