Roy Lichtenstein :
Born in New York in 1923, he is one of the most important artists of The American Pop Art movement, finding inspiration in advertising, popular imagery and comic strips. Woman with Flowered Hat has held the record for highest Lichtenstein auction price in May 15, 2013 (sold for $56.1 million, including fees, at Christie's). Approximatly 4500 of his works are exhibited around the world. The artist died in 1997.