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Johann Gutenberg was born around 1400 in Mainz, Germany.1)
He is best known for inventing the movable-type printing press around 1440, a significant development that revolutionized the spread of knowledge.2)
Gutenberg's most famous work is the Gutenberg Bible, also known as the 42-line Bible, printed around 1455. It was the first major book printed using movable type in the West.3)