The ball point pen was invited by___________?
Correct answer: A. Laszlo Biro
- A. Laszlo Biro
- B. Petrache Poenaru
- C. Johannes Gutenberg
- D. Chester Carlson
Explanation
László Bíró is credited with inventing the modern ballpoint pen and received a patent for its practical design in 1938. Petrache Poenaru invented an early fountain pen, while Gutenberg developed movable-type printing.
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About Inventions and Discoveries
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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