US President Barack Obama won the Nobel Peace Prize Friday. The prize has been awarded by the Norwegian Nobel Committee in Oslo since 1901, with breaks during both World Wars. It is awarded to those the committee feels have done the most to further world peace.
Obama's win has prompted a range of responses in the United States and around the world, from ecstasy in Kenya to condemnation from the Taliban. Did he deserve the prize? Look at the slideshow below to see previous winners, and help us judge where Obama ranks amongst them.