I was the first African-American child to attend an all-white public elementary school in the American South. Who am I?

I created specialized hair products for African-American hair and was one of the first American women to become a self-made millionaire. Who am I?

I won four gold medals at the 1936 Olympics in Berlin, embarrassing German dictator Adolf Hitler. Who am I?

I was a prominent African-American scientist and inventor. I am best known for the many uses I devised for the peanut. Who am I?

What woman led more than 300 slaves to freedom through the Underground Railroad?