Ballpoint pen: Identify the inventor associated with the successful modern version. Full question: Who invented the ballpoint pen (commercially successful design)? Choose the correct option.
General Knowledge
Inventions
Difficulty: Easy
Choose an option
Answer
Correct Answer: László Bíró
Explanation
Given data
- Topic: Writing instruments and their inventors.
Concept / Approach László Bíró patented and popularized the modern, commercially successful ballpoint pen in the 20th century, using quick-drying ink and a rolling ball mechanism.
Option analysis Bíró: Correct. Waterman: Fountain pen innovations. Bell: Telephone. Lamarr: Spread-spectrum co-inventor (communications), not pens.
Final Answer László Bíró.