Johannes gutenberg inventions | Who was Johannes Gutenberg? |
List of johannes gutenberg inventions | Get complete details of famous inventor Johannes Gutenberg biography, history, list of inventions, awards, photos, invention videos in |
Alexander fleming inventions | Sir Alexander Fleming FRS FRSE FRCS (6 August – 11 March ) was a Scottish physician and microbiologist, best known for discovering the world's first broadly effective antibiotic substance, which he named penicillin. |
Johannes gutenberg printing press | Learn about the inventor of the printing press and how his invention revolutionized book making and the spread of ideas. |
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