When Ford made his first cars, how many farriers did he put out of business? How many children, however, did he help get to school? Without disruption in industries by business leaders the world we know today wouldn't be recognizable. The cool part is, we have a front row seat to more disruption and new technology than has ever been made. You may only know some of the names on this list by what they've made. But chances are, many of them are on their way to becoming household names.