This glass-and-concrete box in new Haven represents the first true realization of Kahn's distinct style. While the cubic exterior stands out from its Neo-Gothic campus neighbors, Kahn's interior is the real showpiece, with lattice-work ceiling of tetrahedral cast concrete and sunken triangular staircases that form dramatic descents.  Photo 4 of 11 in Design Icon: 9 Buildings by Louis Kahn

Design Icon: 9 Buildings by Louis Kahn

4 of 11

This glass-and-concrete box in new Haven represents the first true realization of Kahn's distinct style. While the cubic exterior stands out from its Neo-Gothic campus neighbors, Kahn's interior is the real showpiece, with lattice-work ceiling of tetrahedral cast concrete and sunken triangular staircases that form dramatic descents.