Who are the most famous artists?

There are many famous artists throughout history and across many mediums such as painting, sculpture and photography. Some of the most famous artists known for their paintings are Leonardo Da Vinci,  Vincent Van Gogh, Pablo Picasso, Claude Monet and Salvador Dali.  Michelangelo is one of the most famous painter's and sculptor's in history.  Ansel Adams is known as one of the most famous photographers of American Landscapes.  Annie Leibovitz is also a famous photographer known for her celebrity portraits.