They appeared in a period of upheaval. They saw the rebuilding of Paris, the rise of industrialism, the ruin of the Franco-Prussian war. They displayed their startling and shocking works in a series of exhibitions from 1874 to 1886. And by the 1890s, this "loose coalition" of artists who rebelled against the formality of the French Academy had created the most famous artistic movement in history. "They" were the Impressionists, and Professor Brettell is your expert curator and guide to a movement that created a new, intensely personal vision of the world.