| http://www.w3.org/ns/prov#value | - Crain's first launched its annual 40 Under 40 feature in 1989 and since then has recognized nearly 1,000 up-and-coming Chicagoans who have earned the title, including Barack Obama, Oprah Winfrey, Rahm Emanuel, Billy Corgan, Lisa Madigan and Nate Silver.
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