Tell me about the world celebrities of different races you know.

World celebrities of different races are:

1, Black: Obama, American Democratic politician, the 44th president of the United States, the first African-American president in American history, 199 1, Obama graduated from Harvard Law School with honors. On February 10, 2007, he announced his participation in the 2008 US presidential election and was officially elected as the President of the United States on February 4, 2008.

2. Caucasian: Madame Curie, Polish-born French physicist and radiochemist. Marie Curie's achievements include creating the theory of radioactivity, inventing the technology of separating radioactive isotopes, and discovering two new elements, polonium and radium. Under her guidance, people used radioisotopes to treat cancer for the first time. She is the first woman in Paris University.