Great men

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The Great Man  theory is a 19th-century idea according to which history can be largely explained by the impact of "great men", or heroes: highly influential individuals who, due to either their personal charisma, intelligence, wisdom, or political skill utilized their power in a way that had a decisive historical impact.

sources

1-http://novinparmis.com/ShowMaghaleC.aspx?id=2013827142411

2-http://www.biographyonline.net/people/men-who-changed-world.html