Albert Sabin

Albert Bruce Sabin was a Polish American medical researcher, best known for developing the oral polio vaccine which has played a key role in nearly eradicating the disease.

Sabin was born in Biaystok, then part of Russia, to AshkenaziJewish parents, Jacob and Tillie Krugman Saperstein. In 1922, he emigrated with his family to America. In 1930, he became a naturalized citizen of the United States and changed his name to Sabin.

Source: Wikipedia