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 (3) Cosmo (3) Astronomy Educa (2) Solar System/Planetary Sci (2) Star Formation & Evolu (2) Galaxy Formation & Evolu (1) Heliophy (1) Interstellar Me (1) (-) Exopla (1) State AB (1) AZ (2) CA (8) CO (2) FL (3) MA (1) MD (1) ME (1) MI (1) NC (1) NJ (1) NM (4) NV (1) PA (2) TN (1) TX (1) VT (1) WA (1) (-) VA (1) Facet State City Alexandria (1) Facet City Membership Class Amateur Affiliate (3) Educator Affiliate (1) Full Member (4) Graduate Student (2) (-) Full Emeritus Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Kenneth Johnston Full Emeritus Member Affiliation State/Province VA Country United States