Eggs are some of the supplies in the Chadd's Ford, Pa., studio of artist Andrew Wyeth. The eggs are for making his signature medium -- egg tempera, a thick mixture of yolks, pigment and distilled water.

The home and studio of artist Andrew Wyeth in Chadd's Ford, Pa. The studio will be open for tours this summer by the Brandywine River Museum.

The sign on his door warned visitors to not bother Wyeth while he worked.

A painting and sketches by then-teenage Jamie Wyeth's famous posthumous portrait of John F. Kennedy.