#21: George Washington
Estimated IQ: 125
George Washington had limited formal education but a naturally analytical, disciplined mind. He was self-taught in mathematics, geography, and military science, constantly studying strategy and leadership. His intelligence was practical rather than academic—rooted in observation, experience, and a relentless desire for self-improvement throughout his life and career.

Washington applied that steady intellect to defining the nation’s early framework. He balanced competing factions, set key precedents, and led with caution and foresight. His intelligence wasn’t showy—it was the quiet wisdom of a man who learned by doing, always thinking several steps ahead of his time.
