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 GRBs (5) High-Energy Pheno (5) Supernovae (5) Active Galactic Nu (4) Galaxy Formation & Evolu (3) Cosmo (1) Galactic Structure & Stellar Populat (1) Interstellar Me (1) Star Formation & Evolu (1) (-) Astronomy Educa (2) State MD (1) NY (1) Facet State City Acton (1) Alexandria (1) Ames (1) Austin (1) Baltimore (1) Berkeley (2) Bloomington (1) Boston (1) Bothell (2) Cambridge (7) Chicago (1) College Station (1) Daejeon (1) Fort Myers (1) Grafton (1) Grand Forks (1) Greenbelt (1) Hanover (1) Iowa City (1) London (1) Los Angeles (1) Madison (2) Middlebury (1) Middletown (1) Missouri City (1) Newark (1) New London (1) Orangevale (1) Pasadena (3) Prague (1) Prescott (1) Redmond (1) Reno (1) Santa Cruz (1) Santa Fe (1) Severna Park (1) Stanford (1) Tempe (1) Washington (1) Winnipeg (1) Woodside (1) (-) New York (1) (-) Silver Spring (1) Facet City Membership Class Full Member (2) Facet Membership Class Division HAD (2) DDA (1) LAD (1) (-) HEAD (2) Facet Division Showing 1-2 of 2 results Jeffrey Binckes Full Member Affiliation State/Province MD Country United States David Helfand Full Member Affiliation Columbia University State/Province NY Country United States