A mysterious formal portrait of an enslaved man named Frederick is expected to sell for as much as $500,000 at auction in New Orleans ...

Gustav Klimt's portrait of a West African prince is valued at €15 million and currently on offer at an art fair. But what's the story behind the painting?

Working in an uncompromisingly confrontational style, his portraits and nudes were rendered with a thickly ... He went on to study at the Central School of Art and Goldsmiths College, befriending ...