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Who is called the father of the telephone?
- Otto Blathy
- Charles K Bliss
- Melitta Bentz
- Alexander Graham Bell
Alexander Graham Bell was a Scottish-born inventor, scientist and engineer who is credited with patenting the first practical telephone.
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Who is credited for making the world’s first motor-operated airplane?
- The Wright Brothers
- Sarah Boone
- Edward Bull
- Nicholas Callan
The Wright brothers, Orville Wright and Wilbur Wright, were American aviation pioneers generally credited with inventing, building, and flying the world’s first successful motor-operated airplane.
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Who invented the sewing machine?
- Hugh Bradner
- Thomas Saint
- Charlie Booth
- Herbert Boyer
In 1790, the English inventor Thomas Saint invented the first sewing machine design. His machine was meant to be used on leather and canvas material.
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