Anton Zeilinger, born in 1945 in Austria, received his PhD from the University of Vienna in 1971. After a postdoctoral position with Helmut Rauch, one of the pioneers of neutron interferometry, at the Technical University of Vienna, Zeilinger joined the Neutron Diffraction Laboratory at MIT under Clifford G. Shull (Nobel Prize 1994). He held visiting appointments at Institut Laue-Langevin Grenoble, Collège de France, Oxford University, Technical University Munich and Humboldt University Berlin. In 1990, he became Chair of Experimental Physics at the University of Innsbruck and in 1999 Chair of Experimental Physics at the University of Vienna. He is presently Professor Emeritus at the University of Vienna and Senior Scientist…