" Top hats and frock coats were by 1863 a distinctly modern costume. The top hat had been invented in 1797 by the London haberdasher John Hetherington, who caused a riot when he stepped outside with one perched on his head: children screamed, women fainted, the arm of an errand boy was broken, and Hetherington was hauled before the courts to explain the meaning of his alarming new invention. "

― Ross King , The Judgment of Paris: The Revolutionary Decade That Gave the World Impressionism