1. Who was the inventor of the Improved Electric Elevator?
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1. Who was the inventor of the Improved Electric Elevator?
2. Who is usually called 'The Father of Ice Cream"?
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2. Who is usually called 'The Father of Ice Cream"?
3. In what year did Garrett Morgan invent the Traffic Light?
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3. In what year did Garrett Morgan invent the Traffic Light?
4. Which of the following is the invention of Phillip B. Downing (1857 - 1934)?
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4. Which of the following is the invention of Phillip B. Downing (1857 - 1934)?