We spend a lot of time looking for obscure paperback fronts, but sometimes you have to go with the top artists just for a reminder of how good they were. Therefore behold the immortal George Gross—six examples, all perfect.
1915—Claude Patents Neon Tube
French inventor Georges Claude patents the neon discharge tube, in which an inert gas is made to glow various colors through the introduction of an electrical current. His invention is immediately seized upon as a way to create eye catching advertising, and the neon sign comes into existence to forever change the visual landscape of cities.