Captain James CookWho was the English explorer who discovered Hawaii and Australia?
In 1901 what U.S. Army physician confirmed that yellow fever is transmitted by mosquitos?
Who was the first person to fly over both the North and South Poles?
What "Father of New France" founded Quebec City?
Gregor Mendel cross-bred varieties of what plant to discover the laws of genetics?
Who discovered the first polio vaccine?
Who discovered Machu Picchu high in the Andes Mountains of South America?

Who invented the device for measuring earthquake intensity?
Who invented the first steam engine?
Who invented the safety razor?
Who invented the first reading system for the blind?
Who flew the first hot-air balloon over France in 1783?
Who launched the first liquid-fueled rocket in 1926?
Who invented the first storage battery?

Explorers, Discoverers, Inventors  

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