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, patented the first successful ballpoint pen in 1938. The design used a tiny ball that rolled to distribute ink as it moved across paper. His brother György, a chemist, helped develop the viscous ink formula that didn't smudge.

Keep practicing — related questions