Claude Cohen-Tannoudji, Algerian-French physicist and academic, Nobel Prize laureate

Claude Cohen-Tannoudji (French pronunciation: ​[klod kɔɛn tanudʒi]; born 1 April 1933) is a French physicist. He shared the 1997 Nobel Prize in Physics with Steven Chu and William Daniel Phillips for research in methods of laser cooling and trapping atoms. Currently he is still an active researcher, working at the École normale supérieure (Paris).