Capturing the Light

This is the story of two lone geniuses and the extraordinary race to invent photography. This book starts with a tiny scrap of purple-tinged paper, 176 years old and about the size of a postage stamp. On it you can just make out a tiny, ghostly image of a gothic window, an image so small and perfect that it 'might be supposed to be the work of some Lilliputian artist': the world's first photograph...