One Astor Plaza is a high skyscraper in Times Square in Midtown Manhattan, New York City. Completed in 1972, the building is 54 stories tall and was designed by Der Scutt of Ely J. Kahn & Jacobs. Originally known as the W. T. Grant Building as headquarters of the now-defunct retail chain, it is currently the headquarters for Viacom and houses the MTV Studios, Minskoff Theatre, PlayStation Theater, and some retail outlets. It is located at 1515 Broadway between West 44th & 45th Streets. Previously, the Hotel Astor had occupied this location from 1904 to 1967. Construction of the W. T. Grant Building began in 1968 and was completed in 1972.