The Imposing structure of modern science and technology is a triumph of man's endeavour, and the story of its development, at last being closely investigated by the scientific historian, is gradually being unfolded. It is largely with the flowering of the practical mathematical arts, out of which modern science and technology have sprung, and with special reference to the English scientists, technologists, practitioners and teachers who collectively made this possible, that Professor Taylor writes in her latest book The Mathematical Practitioners of Hanoverian England.