40 under 40 (journal article)
from Fortune, 9 November 2009
"The article profiles the 40 most influential people in business under the age of 40. They include Mark Zuckerberg, founder of the online social network Facebook, whose vision was of a network that emulated physical relationships. Kevin Plank founded Under Armour, now a one billion dollar performance underwear company, because he was tired of shapeless athletic wear. Kevin Warsh, member of the Board of Governors of the U.S. Federal Reserve, is its youngest appointee. "