RICHARD PEERY

$2.8

BILLION  SELF-MADE SCORE: * SOURCE: REAL ESTATE AGE: 81 RESIDENCE: PALO ALTO, CA PHILANTHROPY SCORE: Peery’s entrepreneurial bent was clear in middle school, when he owned every gumball machine on the campus of Stanford University. He later bought up Silicon Valley farmland with his business partner John Arrillaga (No. 342) in the 1960s, transforming it into a real estate empire that’s now home to tenants such as Facebook and Tesla. The two sold $250 million worth of office buildings to Google in April.