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) Exopla (1) Solar System/Planetary Sci (1) State (-) PA (1) Facet State City Arecibo (1) Philadelphia (1) Pittsburgh (1) Selinsgrove (1) University Park (4) Washington (1) (-) Erie (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division (-) DPS (1) Facet Division Showing 1-1 of 1 results Darren Williams Full Member Affiliation State/Province PA Country United States