
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 and unique individuals who, due to their natural attributes, such as superior intellect, heroic courage, or divine inspiration, have a decisive historical effect. The theory is primarily attributed to the Scottish philosopher and essayist Thomas Carlyle who gave a series of lectures on heroism in 1840, later published as On Heroes, Hero-Worship, and The Heroic in History, in which he states:
Universal History, the history of what man has ...