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 GRBs (5) High-Energy Pheno (5) Supernovae (5) Star Formation & Evolu (4) Active Galactic Nu (3) Astronomy Educa (2) Galactic Structure & Stellar Populat (1) Heliophy (1) (-) Interstellar Me (1) State MA (1) Facet State City Ames (1) Athens (1) Berkeley (1) Cincinnati (1) Columbus (1) Iowa City (1) Johnson City (1) La Jolla (1) Manly (1) New York (1) Stanford (1) Washington (1) Winnipeg (1) (-) Cambridge (1) Facet City Membership Class F (3) Full Emeritus Member (1) (-) Full Member (1) Facet Membership Class Division (-) HEAD (1) Facet Division Showing 1-1 of 1 results Hans Moritz Guenther Full Member Affiliation MIT State/Province MA Country United States