The John F. Kennedy Center for the Performing Arts opened in Washington, DC, in 1971 as a living memorial to its namesake. Designed by architect Edward Durell Stone, the center is surfaced in marble and makes use of the ornamental facade screens for which the architect was known. Its Grand Foyer faces the Potomac River. The cultural complex houses six stages, the largest of which—the Concert Hall—has been designated a national monument. Who ceremoniously broke ground on the Kennedy Center? Discuss