Photo of the main stairway in Rockefeller Hall, Class of 1945 Library. Caption on back reads "This wide inviting, million-dollar marble staircase of the new Phillips Exeter Academy Library leads to a spacious inner court, rising the height of the building. Colossal pillars of concrete bound the borders of this encolsed space, named for an alumnus, Michael Rockefeller. Designed by world-honored Louis H. Kahn, the Library will be included on the July 18 Tides of Time House Tour, an annual event which benefits the N/H.-Vt. Blood Program. The Tour includes fie other sites and Christ Church, Exeter."