DORIS FISHER

$2.4

BILLION  SELF-MADE SCORE: & SOURCE: GAP AGE: 88 RESIDENCE: SAN FRANCISCO PHILANTHROPY SCORE: The stock of Gap, the retail behemoth Fisher and her late husband, Donald, founded 50 years ago, is at its lowest point since April 2009, and sales are down even at Old Navy, Gap’s highest-earning brand, which will be spun off from the parent company. Doris, who retired from the company’s board in 2009, has an art collection valued at an estimated $1 billion that includes works by the likes of Sol LeWitt and Agnes Martin.