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) Star Formation & Evolu (3) Exopla (2) GRBs (2) High-Energy Pheno (2) Interstellar Me (2) Supernovae (2) Clusters of Galaxies/Large-scale Struc (1) Solar System/Planetary Sci (1) (-) Astrobio (1) State Facet State City Austin (1) Baltimore (1) Bethesda (1) Boulder (1) Calgary (1) Columbus (2) Flagstaff (1) Grand Forks (1) Honolulu (1) La Jolla (1) Los Angeles (1) Merced (1) Mohegan Lake (1) Palo Alto (1) Pasadena (1) Seattle (1) Sparks (1) Stanford (1) Tucson (1) Zurich (1) (-) Heidelberg (1) Facet City Membership Class Full Emeritus Member (1) Facet Membership Class Division HEAD (6) DPS (3) DDA (2) HAD (1) LAD (1) (-) SPD (1) Facet Division Showing 1-1 of 1 results Peter Ulmschneider Full Emeritus Member Affiliation State/Province Country Germany