William Addis is a consulting engineer at Buro Happold in London and the author of numerous books, academic papers, and book reviews on construction history published over the past 25 years. He holds a doctorate degree in the history and philosophy of engineering from the University of Reading, where he taught this subject for 15 years; he has also delivered lecture courses on engineering history at Cambridge University, the University of Bath, and University College, London. In 1998, he helped curate the exhibition "The Art of the Engineer" at the Pompidou Centre in Paris and contributed to the book that accompanied the exhibition. Addis is an active member of the Institution of Structural Engineers' History Study Group and lectures at professional conferences around the world.