61. TOM & JUDY LOVE

$7.8

BILLION  SELF-MADE SCORE: ( SOURCE: RETAIL & GAS STATIONS AGES: 82, 82 RESIDENCE: OKLAHOMA CITY PHILANTHROPY SCORE: Before he became a businessman, Tom Love was an officer in the Marines. He left in 1958, and six years later he and his wife, Judy, opened a gas station in Watonga, Oklahoma. Today their Love’s Travel Stops & Country Stores have more than 490 locations in 41 states and estimated sales of $20 billion.