Andrew Carnegie went from a bobbin-boy child worker to becoming the richest man in America. He also inspired generations of philanthropists, and his money is still at work today educating minds, funding books and pushing for world peace. But his story raises questions. His attitude towards unions was friendlier than most business people of his day on paper, but his actions differed from his words. And even in his philanthropy, is the model of giving after successful business a good one? We look at these questions, and tell his story.