Original: On 23 November 1961 Warhol wrote Latow a check for $ 50 which , according to the 2009 Warhol biography , Pop , The Genius of Warhol , was payment for coming up with the idea of the soup cans as subject matter .
Simplified: He dropped the ` a ' from the end of his name when the credits read '' Drawings by Andrew Warhol '' . Warhol was also famous for painting Campbells and watties soup cans .