This book began with the aim of telling the almost forgotten story of Thomas Hancock, the rubber developer who in his own day was acknowledged as one of the great scientific pioneers of the Industrial Revolution. But as research progressed, it was clear that Thomas and his five brothers, the Hancocks of Marlborough, together constituted a unique family which made a tremendous yet virtually unknown contribution to nineteenth-century science and art. Walter designed and ran the first steam carriages to carry passengers on the common roads of England and so began the age of mechanized transport....