The first Ball point pen was invented by
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Mary Bellis
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Laszlo Biro
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Leo Hendrik
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Michael Faraday
B
Correct answer
Explanation
Laszlo Biro, a Hungarian journalist, invented the modern ballpoint pen in the 1930s. Mary Bellis (A) is a historian, Leo Hendrik (C) may refer to Baekeland (bakelite inventor), and Michael Faraday (D) worked in electromagnetism. The 'Biro' pen is named after Laszlo Biro.