HAYDEN moved to D.C. in 1972. He is active in the D.C. Preservation League, preparing Historic Landmark Nominations for endangered buildings. He is former archivist for the Sumner School and Archives, where he catalogued the historical records of the D.C. Public Schools. Hayden is currently completing a book titled Mangy Curs and Stoned Horses: Animal Control in the District of Columbia and has published studies on the history of Buzzard Point and the Urban-Renewal Parks of SW Washington. He holds a BA and MA in East Asian Studies and lives near Ft. Bunker Hill. Hayden's three must-do's for visitors to D.C. are: ascend the Old Post Office tower, take a night tour of the Mall, and take an interior tour of the Library of Congress.