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 Star Formation & Evolu (2) Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) Solar System/Planetary Sci (1) (-) Active Galactic Nu (1) State --None-- (1) Denmark (1) GA (1) MA (21) VA (3) (-) MD (1) Facet State City Baltimore (18) Catonsville (1) Chevy Chase (1) Crownsville (1) Gaithersburg (1) Greenbelt (12) Kalamazoo (1) Laurel (2) Marriottsville (1) Pasadena (1) Rockville (1) Silver Spring (2) Tempe (1) Washington (3) (-) Alexandria (1) Facet City Membership Class F (1) Facet Membership Class Division HEAD (1) Facet Division Showing 1-1 of 1 results Jonathan Williams F Affiliation National Science Foundation State/Province MD Country United States