John Hannavy is a writer and photographer with a passion for engineering history. His work regularly appears in heritage magazines. A retired academic, he has written extensively on railways and other forms of transport, steam-powered machines, the history of photography, and the industrial development of Victorian and Edwardian Britain. This is his fiftieth book. He is a Fellow of the Royal Photographic Society, and was Centenary President of the British Institute of Professional Photography. The award of a Winston Churchill Travelling Fellowship in 2002 allowed him to travel the world in the footsteps of pioneer British photographers.