Zuse built in 1936, just 26 years old, together in a Berlin apartment a computer. It was as big as a double bed and bucked when the mechanical contacts of jammed. But he had almost everything that a modern computer.

Zuse called his invention Z1 - Z Zuse. Maybe he would have become a rich man like Bill Gates, if he had had similar opportunities in marketing. But Konrad Zuse, a trained engineer with a passion for architecture and engineering, lived in Nazi Germany. When he developped his first computer in May 1941 to become the Z3 - the first functional digital computer world - there was already war.

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HydroFoiler, Kiel, Northern Germany