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Thinking Minds

"Some men see things as they are and ask 'why?'. Others dream things that never were and ask 'why not?'" is a famous quotation by G.B.Shaw. Thinking minds have always been ticking to improve the quality of life, reduce labor and save time. Some of their discoveries and inventions have been revolutionary and changed the course of history. Identify these pioneers.

Total Questions:10
Time Allowed:Test is not timed.

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