Louis I. Kahn. (American, born Estonia. 1901–1974). Alfred Newton Richards Medical Research Building, University of Pennsylvania, Philadelphia, Pennsylvania. Overall building complex (final version). 1957–65. Model: basswood. 13 1/2 x 22 3/4 x 14 3/4" (34.3 x 57.8 x 37.5 cm). The Museum of Modern Art, New York. Gift of the architect.

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