Multiple choice general knowledge science & technology

Who invented the ball point pen?

  1. Waterman

  2. Oscar

  3. Wilson

  4. Lazlo Biro
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

László Bíró, a Hungarian-Argentine newspaper editor, invented the modern ballpoint pen. Frustrated by fountain pen smudges and drying times, he developed a quick-drying ink and a ball-socket mechanism with his brother.

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