who is the smartest person in the world

Renaissance artist's workshop with mirror-script notebooks, anatomical sketches, and engineering designs for flying machines spread across a wooden desk

Smartest People In Historyand How They Changed The World

by Alex Warren
September 1, 2026September 4, 2026

Who is the smartest person in the world, historically speaking? From Einstein to da Vinci, meet 20 of history’s greatest geniuses and how they changed the world.