Who do you consider the most inspirational person of all time? Martin Luther King Jr.? Nelson Mandela? There have been many great historical figures that have shaped the world down the ages, and it would be very difficult (if not impossible) to pick those whose impact on the happenings in the world was greatest. Yet, we gave it a try and compiled this post with some of most inspirational people of all time. Some of them are famous, some of them are rather unknown, but all of them have one thing in common – they changed the world. [quads id="4"] From Charles Darwin to Dalai Lama, here are 25 Unbelievable People Who Changed The World.