Roy Lichtenstein was an American pop artist best known for his comic book-style paintings. He was born in 1923 and died in 1997. He is considered one of the most influential artists of the 20th century and is renowned for his use of bright colors and bold lines. His works often featured popular culture icons such as Mickey Mouse and Superman. Lichtenstein was also a pioneer in the field of artist licensing, allowing his artwork to be used on products such as t-shirts and mugs.