a day ago

Which single human being changed the world in the most impactful way, good or bad?

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Johan Gutenberg:

a German blacksmith, goldsmith, inventor, printer, and publisher who introduced printing to Europe with the printing press. His introduction of mechanical movable type printing to Europe started the Printing Revolution and is regarded as a milestone of the second millennium, ushering in the modern period of human history

.We went from dark ages to skyrocketing literacy in a single generation. It started rolling the ball for scientific reasoning.