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 Heliophy (5) Solar System/Planetary Sci (2) Astronomy Educa (1) (-) Cosmo (1) State (-) CO (1) Facet State City Zurich (1) Facet City Membership Class Amateur Affiliate (2) Div Affil - SPS (1) Full Emeritus Member (2) Full Member (3) Graduate Student (2) (-) Div Affil - SPD (1) Facet Membership Class Division SPD (1) Facet Division Showing 1-1 of 1 results Jan Stenflo Div Affil - SPD Affiliation ETH Zurich State/Province CO Country United States