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Meet Carl Sagan: The Pale Blue Dot

He turned Voyager's camera around, and gave humanity its most humbling family photo.

He invented the information age in one paper — then spent his celebrity building juggling robots.

Einstein kept his portrait on the wall — the quiet Scot who discovered that light is electromagnetism.

No mathematics, no schooling, no connections — and the greatest experimentalist who ever lived.

He spent years on a beautiful theory, found an eight-arcminute error — and chose the error over the beauty.

Five postulates, thirteen books, twenty-three centuries of trained minds — the most influential textbook ever written.

Eureka was real, the war machines were real — and the mathematics outlived the empire that killed him.

Nobel laureate, bongo player, safecracker — and the best explainer science ever produced.

Game theory, computer architecture, quantum foundations — colleagues who won Nobels said he was the smart one.

He defined the computer before one existed, shortened a world war — and asked the question AI still lives inside.