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) Exopla (1) Interstellar Me (1) State DC (4) MD (2) VA (1) (-) PA (1) Facet State City Conshohocken (1) Greenbelt (1) Lancaster (1) Pittsburgh (1) University Park (1) (-) Washington (1) Facet City Membership Class Full Member (1) Facet Membership Class Division DPS (1) (-) LAD (1) Facet Division Showing 1-1 of 1 results Douglas Hudgins Full Member Affiliation NASA Headquarters State/Province PA Country United States