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 (-) Active Galactic Nu (1) State (-) MA (1) Facet State City Acton (1) Boston (2) Cambridge (16) Chestnut Hill (1) Waltham (1) (-) Burlington (1) Facet City Membership Class F (1) Facet Membership Class Division (-) HEAD (1) Facet Division Showing 1-1 of 1 results Jonathan Gelbord F Affiliation Spectral Sciences, Inc State/Province MA Country United States