A combination photo of Shinya Yamanaka of Japan and John Gurdon of Britain

 
A combination photo of Shinya Yamanaka of Japan and John Gurdon of Britain
REFILE - CORRECTING SOURCE OF PICTURE ON THE LEFT A combination photo shows Kyoto University Professor Shinya Yamanaka of Japan (L) in Kyoto April, 2009 and John Gurdon of Britain in London October 8, 2012. REUTERS/Center for iPS Cell Research and Application, Kyoto University (L) and Suzanne Plunkett (R)