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) Galactic Structure & Stellar Populat (1) GRBs (1) High-Energy Pheno (1) Supernovae (1) (-) Astronomy Educa (1) State (-) MD (1) Facet State City Alexandria (1) Arnold (1) Baltimore (17) Bethesda (1) College Park (1) Columbia (1) Elkton (1) Ellicott City (2) Gaithersburg (2) Germantown (1) Greenbelt (6) Laurel (6) Marriottsville (1) Philadelphia (1) Potomac (1) San Marcos (1) Severna Park (1) Silver Spring (1) Tempe (1) Washington (2) (-) Catonsville (1) Facet City Membership Class Full Emeritus Member (1) Facet Membership Class Division HAD (1) Facet Division Showing 1-1 of 1 results Darrell MacConnell Full Emeritus Member Affiliation State/Province MD Country United States