David Baldwin is Sergeant of the Vestry of HM Chapels Royal. Hehas previouslyserved on the staff of Lambeth Palace Library, as Curator of Durham University Library, as a Virger at St Paul's Cathedral, and in the Armouries of HM Tower of London.He was deployed as a NATO Satellite Operator during the Baltic Cold War, was awarded his M.Litt for a study of Seventeenth Century Catholicism in The Queen's Chapel, and is a Fellow of the Linnean Society. He is the author of numerous monographs, including decryption of plays by the 16th century School of Night for the Thomas Harriott Seminar. He won the Prince of Wales's Perspectives Millennium Competition for his design of tidal-powered moving pavements for river embankments of major cities.