The hundred (the 100): a ranking of most influential person in the history,written by an American author Michel H.Harts and published by harts publishing company in 1978. It's ranking of the hundred people who according to Harts,most influential human history. The first person on the Harts's list is the prophet of Islam Muhammad (peace be upon him). Harts asserted that Muhammad was "supremely successful" in the both religious and secular realms. His role in the development of Islam was far more influential then juses 'collaborating in the development of Christianity.
So It's an example which is taken from the books of European authors whom are non Muslims in spite of all they accepted that Muhammad is the reall leader