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) Cosmo (1) Exopla (1) Galaxy Formation & Evolu (1) Solar System/Planetary Sci (1) Star Formation & Evolu (1) (-) Heliophy (1) State PA (1) Facet State City Facet City Membership Class Alumni Affiliate (1) AM (1) Div Affil - SPD (10) E (14) F (58) Full Emeritus Member (8) Full Member (33) GR (8) Graduate Student (7) International Affil (1) JR (4) SPD (7) Undergrad Student (6) (-) Educator Affiliate (1) Facet Membership Class Division HAD (1) (-) SPD (1) Facet Division Showing 1-1 of 1 results Karl Trout Educator Affiliate Affiliation Penn State Univ. State/Province PA Country United States