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 (15) Solar System/Planetary Sci (3) Astronomy Educa (1) Exopla (1) (-) Cosmo (1) State CO (1) Facet State City Zurich (1) Facet City Membership Class Alumni Affiliate (10) Amateur Affiliate (76) Div Affil - DPS (14) Div Affil - HAD (1) Div Affil - HEAD (2) Div Affil - LAD (3) Div Affil - SPS (3) Educator Affiliate (23) Full Emeritus Member (116) Full Member (999) Graduate Student (190) Honorary Member (5) International Affil (29) Undergrad Student (25) (-) 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