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 (11) Solar System/Planetary Sci (5) Exopla (4) Galaxy Formation & Evolu (4) GRBs (4) High-Energy Pheno (4) Star Formation & Evolu (4) Supernovae (4) Galactic Structure & Stellar Populat (3) Active Galactic Nu (2) Astrobio (2) Cosmo (2) (-) Heliophy (1) State PA (1) Facet State City Facet City Membership Class AL (2) Alumni Affiliate (1) AM (12) Amateur Affiliate (6) Div Affil - DPS (2) Div Affil - LAD (1) Div Affil - SPD (10) DPS (3) E (22) ED (2) F (90) Full Emeritus Member (11) Full Member (55) GR (12) Graduate Student (8) International Affil (4) JR (2) SPD (7) Undergrad Student (9) (-) Educator Affiliate (1) Facet Membership Class Division SPD (1) Facet Division Showing 1-1 of 1 results Karl Trout Educator Affiliate Affiliation Penn State Univ. State/Province PA Country United States