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 State NV (1) VA (4) (-) PA (1) Facet State City Bethlehem (1) Chester (1) Easton (1) Greenbelt (1) Huntingdon (1) King of Prussia (1) Kutztown (1) Lititz (1) Newville (1) Philadelphia (3) Piscataway (1) Pittsburgh (1) Plattsburgh (1) Rydal (1) State College (4) University Park (5) (-) Alexandria (1) Facet City Membership Class (-) Full Emeritus Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Ronald Gilliland Full Emeritus Member Affiliation State/Province PA Country United States