Who among the following invented the small pox vaccine?
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1) What George Westinghouse invented?
2) When was the game Frisbee invented?
3) Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
4) What Henry Bessemer invented?
5) William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________?