Keith Haring at work on the 'A Book Full of Fun ... “He was able to deploy his characters, such as the radiant baby, barking dog, or dancing figure, to express exuberant optimism as well ...

Keith Haring was an American artist born in 1958 ... He is well-known for his drawings of a baby, a dog, a television and a flying saucer. He used to draw on spaces meant for posters and adverts.