Billionaires who... married an employee married an intern married another billionaire divorced a spouse with prenuptial agreements are obsessed with model trains are Buddhist spent time in prison have been executed committed antitrust violations committed manslaughter have dyslexia collect horses play professional poker own an island own a private company fund cancer research fund an art museum are major art collectors inherited money from a spouse live on Park Avenue in New York City produced a movie wrote a memoir wrote a novel wrote a nonfiction book own exotic pets bought out their neighbors' property immigrated to the U.S. dropped out of college attended an Ivy League college are self-made women are food billionaires are beverage billionaires are media billionaires are natural resource billionaires Desired graphs Self-made vs. inherited over time: (1984, <50%) (2014, 69%) Forbes 400th over time (minimum to make the list) Wealth of Forbes 400 as percentage of national income over time: (1982, 2.8%) (2000, 12.2%) Forbes 400 wealth vs. S&P over time Finance as a percentage of Forbes wealth over time Natural resources as a percentage of Forbes wealth over time Technology as a percentage of Forbes wealth over time Retail as a percentage of Forbes wealth over time Manufacturing as a percentage of Forbes wealth over time Desired maps Billionaires by state / city 1982, 2015