Full coverage: 2011 Nobel Prizes

Liberia's Leymah Gbowee: The power of the powerless

How a movement of 'ordinary' Liberian women changed history.

Three women, two Liberians and a Yemeni, win Nobel Peace Prize

Sharing the Nobel Peace Prize were Liberian President Ellen Johnson-Sirleaf, Africa's first democratically elected female head of state; her countrywoman Leymah Gbowee, a peace activist who challenged warlords; and Tawakul Karman, a Yemeni human rights leader.

Nobel winner dies before receiving prize

Ralph Steinman died Friday of pancreatic cancer, which he had fought with therapy based on his own research. On Monday, the Nobel committee awarded him the Nobel Prize in Physiology or Medicine, unaware of his death. Two others share the prize.