Celebs, Politicians and Entrepreneurs Pay Tribute on Martin Luther King Jr. Day

— -- Almost 50 years after his death, the U.S. today is celebrating the teachings, example and achievements of Martin Luther King Jr.

The Baptist minister and civil rights leader used nonviolent protest to help end the Jim Crow era of racial segregation in the U.S.

From his famed "I Have a Dream" speech to the march from Selma to Montgomery, Alabama, King inspired people around the globe and still does to this day.

On Monday, several celebrities, entrepreneurs, politicians and activists took to social media to shine a light on the day and remember the man. No matter if they founded Microsoft like Bill Gates or host a talk show like Wendy Williams, people are voicing how much King means to them.