J. Hans D. Jensen

Johannes Hans Daniel Jensen (German pronunciation: [ˈhans ˈjɛnzn̩] ^ⓘ; 25 June 1907 – 11 February 1973) was a German nuclear physicist. During World War II, he worked on the German nuclear energy project, known as the Uranium Club, where he contributed to the separation of uranium isotopes. After the war, Jensen was a professor at the University of Heidelberg. He was a visiting professor at the University of Wisconsin–Madison, the Institute for Advanced Study, University of California, Berkeley, Indiana University, and the California Institute of Technology.

Jensen shared half of the 1963 Nobel Prize in Physics with Maria Goeppert-Mayer for their proposal of the nuclear shell model.