DRAYTON MCLANE JR.

$2.6

BILLION  SELF-MADE SCORE: % SOURCE: WALMART, LOGISTICS AGE: 83 RESIDENCE: TEMPLE, TX PHILANTHROPY SCORE: McLane has put his name and money behind the Texas Central railroad, which aims to connect Dallas and Houston with Japanese-style bullet trains. Construction on the $14 billion project was slated to begin in late 2019, but it may face delays due to local opposition. He started sweeping the floors at his family’s grocery distribution company at age 9. In 1991 he sold the family business to Sam Walton.