Johannes Gutenberg was the man who introduced "Printing" to Europe. He started the "Printing Movement" upon his introduction to movable type printing and is widely known to be the most important invention in the second millennium. His many inventions include the invention of a process for mass-producing movable type, the use of oil-based ink for printing books, adjustable molds, mechanical movable type, etc.
"Time travel will be invented in the year 2025. How do we know? Because that is the year that this delightful lady claimed to have traveled from. In the year 1898, according the contemporary reports, Alexandria Alexis appeared 'as if from nowhere' and took New York society by storm. Some fawned over her while others claimed she was insane. This debate was however rendered moot when, on New Year's Eve 1899, she simply disappeared..."