I am a billionaire media giant and philanthropist. I am best known for hosting my own internationally popular talk show from 1986 to 2011. I also launched her own television network, OWN. 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?

I am known as "Air Jordan," "His Airness;". I was named "the greatest North American athlete of the 20th century," by ESPN. Who am I?

I have recorded more than 30 U.S. top ten hits and received 25 Grammy Awards. I have sold over 100 million records worldwide. Who am I?

I was known as the "First Lady of Song" and "Lady Ella,"I was an American jazz and song vocalist who interpreted much of the Great American Songbook. Who am I?

I was a multiple Grammy winner and "Queen of Soul" . I was known for such hits as "Respect," "Freeway of Love" and "I Say a Little Prayer." Who am I?

I was an American singer, songwriter and dancer. I was dubbed the "King of Pop". My greatest hits are e.g. "Thriller", "Bad", "Black and White". Who am I?

I was an American professional boxer, activist, and philanthropist. Nicknamed "The Greatest", I am regarded as one of the greatest boxers of all time. Who am I?