Just a few stand out above all the rest. They change the course of history and affect the lives of millions who aren’t even aware of them. Amazingly, they are often the work of a single person. Those ideas are truly great and seven really stand out. To make my selection, I applied three criteria: Longevity (i.e. they survive a long time without being amended or surpassed in any significant way), impact (i.e. they greatly affected the lives and work of others) and authorship (i.e. they can be traced to one person).
Read the article: The 7 Greatest Ideas in History