Henri Labrouste is one of the few nineteenth-century architects consistently lionized as a precursor of modern architecture throughout the twentieth century and into our own time. The two magisterial glass-and-iron reading rooms he built in Paris gave form to the idea of the modern library as a collective civic space. His influence was both immediate and long-lasting, not only on the development of the modern library but also on the exploration of new paradigms of space, materials and luminosity in places of great public assembly. Published to accompany the first exhibition devoted to...