A sophisticated response to environment and urban context characteristic of the mid-twentieth-century work of the Philadelphia-based firm Mitchell/Giurgola Associates. The building combines poured-in-place concrete with curtain glass, exhibits innovative façade treatment, and achieves a civic-oriented monumentality that respects its setting on the Benjamin Franklin Parkway. Mitchell/Giurgola was a leader among the “Philadelphia School” architects and planners based at the University of Pennsylvania in the 1960s.