Klaus von Klitzing is a German physicist, known for discovery of the integer quantum Hall effect, for which he was awarded the 1985 Nobel Prize in Physics. The Nobel Prize in Physics 1985, announced October 16, 1985. Klaus von Klitzing, “for the discovery of the quantized Hall effect”. Klaus von Klitzing: born 1943, Schroda, German-occupied Poland (now Poland). Wiki link Data: the Nobel Foundation (CC0).