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 Astrobio (1) Heliophy (1) Solar System/Planetary Sci (1) Star Formation & Evolu (1) (-) Exopla (1) State Facet State City Austin (1) Baltimore (1) Berkeley (1) Boulder (2) Calgary (1) Cambridge (1) Corvallis (1) Fairfax (1) Flagstaff (1) Fort Myers (1) Grand Forks (1) Greenbelt (1) Hanover (1) Los Angeles (1) Palo Alto (1) Pasadena (2) Potomac (1) Rohnert Park (1) Sagamihara (1) Seattle (2) Sparks (1) Tucson (1) University Park (1) (-) Heidelberg (1) Facet City Membership Class Full Emeritus Member (1) Facet Membership Class Division (-) SPD (1) Facet Division Showing 1-1 of 1 results Peter Ulmschneider Full Emeritus Member Affiliation State/Province Country Germany