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) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) State AZ (210) CA (3) CO (1) DE (1) Guangdong (1) HI (1) ID (1) MD (3) MO (1) NH (1) NM (1) NY (2) TX (1) UT (1) VA (2) WI (1) (-) DC (1) Facet State City Alexandria (2) Arecibo (1) Arlington (1) Baltimore (2) Beaver Falls (1) Berkeley (1) Bethlehem (4) Bloomsburg (1) Blue Bell (1) Boulder (1) Cambridge (1) Carlisle (2) Charles Town (1) Chester (2) Clarion (1) Cochranville (1) College Park (2) Conshohocken (1) Dallas (1) Easton (2) Erie (1) Fairfax (1) Germantown (1) Gettysburg (1) Green Bank (1) Greenbelt (6) Haverford (5) Hazleton (1) Huntingdon (3) Indiana (1) Jenkintown (1) King of Prussia (1) Kutztown (2) Lancaster (4) Lewisburg (2) Lititz (2) Loretto (1) Mechanicsburg (1) Mont Alto (1) Murrysville (1) Newville (1) New Wilmington (1) Pasadena (1) Perkasie (1) Philadelphia (10) Piscataway (1) Pittsburgh (18) Plattsburgh (1) Reading (1) Rydal (1) Saint Davids (1) Sarver (1) Selinsgrove (1) Slippery Rock (1) State College (5) Staten Island (1) Swarthmore (2) University Park (26) Villanova (14) Washington (63) West Chester (3) Wynnewood (1) York (1) (-) Tucson (1) Facet City Membership Class Full Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Barry Rothberg Full Member Affiliation US Naval Observatory State/Province DC Country United States