The Seven Lamps of Architecture, published in May 1849, is an extended essay written by the English art critic and theorist John Ruskin. The 'lamps' of the title are Ruskin's principles of architecture, which he later enlarged upon in the three-volume The Stones of Venice. To an extent, they codified some of the contemporary thinking behind the Gothic Revival. At the time of its publication A.W.N. Pugin and others had already advanced the ideas of the Revival and it was well under way in practice...