Andrew Wyeth

Artist Andrew Wyeth stands in front of his farm Feb. 23, 1964, in Chadds Ford, Pa. Wyeth died in his sleep early Friday, Jan. 16, 2009, at the age of 91 at his home outside Philadelphia. Wyeth portrayed the hidden melancholy of the people and landscapes of Pennsylvania's Brandywine Valley and coastal Maine in works such as "Christina's World."

Andrew Wyeth's painting 'Trodden Weed', 1951 is displayed March 24, 2006, at the Philadelphia Museum of Art. Wyeth found the subject for "Christina's World," his best-known painting, in Maine. In Pennsylvania he met Helga Testorf, a neighbor who became the subject of the intimate portraits that brought him millions of dollars and a wave of public attention in 1986.

In this Nov. 15, 2007 file photo, painter Andrew Wyeth, of Chadds Ford, Pa., right, laughs with President Bush as he receives the 2007 National Medal of Arts during a ceremony in the East Room of the White House in Washington. The son of famed painter and book illustrator N.C. Wyeth, Andrew Wyeth gained wealth, acclaim and tremendous popularity.

Painter Andrew Wyeth, of Chadds Ford, Pa., right, walks with President Bush as he receives the 2007 National Medal of Arts Nov. 15, 2007, in Washington.

In this May 11, 2004 file photo, artists Andrew Wyeth, right, and his son, Jamie, smile after receiving the Avatar Award for Artistic Excellence from the Arts and Business Council of Greater Philadelphia in Philadelphia.

Andrew Wyeth in a 1977 file photo. He chafed under criticism from some experts who regarded him as a facile realist, not an artist but merely an illustrator. Yet a Wyeth retrospective at the Philadelphia Museum of Art in 2006 drew more than 175,000 visitors in 15