“The Three distinct functional volumes of the building have been placed within an exposed structural cage of cast-in-place concrete. The four interior columns define a central circulation core, leaving the surrounding floor space entirely free of columns. […] To maintain this uninterrupted space and simplify problems of air supply and exhaust, all ductwork, piping, heating and ventilating equipment, and fume hoods have been concentrated in mechanical shafts distributed around the perimeter of the building.” … Read More Tufts Chemical Research Building / The Architects Collaborative / 1962-65