Philip SteadmanPhilip Steadman is Emeritus Professor of Urban and Built Form Studies at UCL. He trained as an architect, and has taught at Cambridge University and the Open University. He has published several books on geometry in architecture, of which the most reent is Why Are Most Buildings Rectangular? (2018). In 2001 he published Vermeer’s Camera, on the Dutch painter’s use of the camera obscura. Read More Read Less