Warhol was born into the working class neighborhood in Pennsylvania. At an early age, he was diagnosed with a neurological disorder and found an escape in celebrity magazines and comic books. This is what inspired his work combining celebrities and comic looking printmaking. by creating this new style of art he introduced pop art. When asked about his art, he responded with "I wanted to paint nothing."
http://www.warholfoundation.org/legacy/biography.html
http://www.warholfoundation.org/legacy/biography.html