George de Hevesy
George Charles de Hevesy was a Hungarian radiochemist and Nobel laureate, recognized in 1943 for his key role in the development of radioactive tracers to study chemical processes such as in the metabolism of animals. He also codiscovered the element hafnium.
Hevesy Gyrgy was born in Budapest, Hungary to a wealthy and ennobled Roman Catholic family of Hungarian Jewish descent family, the fifth of eight children to his parents Lajos Bischitz and Baroness Eugenia Schossberger . Grandparents from both sides of the family had provided the presidents of the Jewish community of Pest. George grew up in Budapest and graduated high school in 1903 from Piarista Gimnzium. The familys name in 1904 was HevesyBischitz, and Hevesy later changed his own.
Source: Wikipedia