title: Wolfgang Ketterle
context: Wolfgang Ketterle (born 21 October 1957) is a German physicist and professor of physics at the Massachusetts Institute of Technology (MIT). His research has focused on experiments that trap and cool atoms to temperatures close to absolute zero,[1] and he led one of the first groups to realize Bose–Einstein condensation in these systems in 1995.[2] For this achievement, as well as early fundamental studies of condensates, he was awarded the Nobel Prize in Physics in 2001, together with Eric Allin Cornell and Carl Wieman.[3]
question: Who won the Nobel prize for physics in 2001?
answers: Wolfgang Ketterle