Carl Friedrich von Weizsäcker Scientist

Carl Friedrich Freiherr von Weizsäcker (June 28, 1912 – April 28, 2007) was a German physicist and philosopher. He was the longest-living member of the team which performed nuclear research in Germany during the Second World War, under Werner Heisenberg's leadership. There is ongoing debate as to whether or not he, and the other members of the team, actively and willingly pursued the development of a nuclear bomb for Germany during this time.A member of the prominent Weizsäcker family, he was son of the diplomat Ernst von Weizsäcker, elder brother of the former German President Richard von Weizsäcker, father of the physicist and environmental researcher Ernst Ulrich von Weizsäcker, and father-in-law of the former General Secretary of the World Council of Churches Konrad Raiser.Weizsäcker made important theoretical discoveries regarding energy production in stars from nuclear fusion processes. He also did influential theoretical work on planetary formation in the early Solar System.In his late career, he focussed more on philosophical and ethical issues, and was awarded several international honors for his work in those areas.

Personal facts

Birth date	June 28, 1912
Birth name	Carl Friedrich Freiherr von Weizsäcker
Birth place	Kiel , Province of Schleswig-Holstein
Date of death	April 28, 2007
Place of death	Bavaria , Starnberg
Education	University of Göttingen Leipzig University
Known for	CNO cycle Semi-empirical mass formula