Wolfgang Ketterle (born 21 October 1957) is a German pheesicist an professor o pheesics at the Massachusetts Institute of Technology (MIT). His resairch haes focused on experiments that trap an cuil atoms tae temperaturs close tae absolute zero, and he led one of the first groups to realize Bose–Einstein condensation in these systems in 1995. For this achievement, as well as early fundamental studies o condensates, he wis awairdit the Nobel Prize in Pheesics in 2001, thegither wi Eric Allin Cornell an Carl Wieman.