German physicist (1922-2017)
Hans Georg Dehmelt (born September 9, 1922 – 7 March 2017, in Görlitz, Germany) is a German-born American physicist, who co-developed the ion trap technique with Wolfgang Paul, for which they both received the Nobel Prize in Physics in 1989. Their technique was used for high precision measurement of the electron magnetic moment.
From: Wikiquote (CC BY-SA 4.0)