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 journalist, invented the modern ballpoint pen in the 1930s. The key innovation was a tiny ball that rolled to distribute ink as it moved across paper. Waterman is associated with fountain pens, while Oscar and Wilson are not associated with pen inventions.

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