Who invented the pneumatic tyre in 1887?

In Design & Industry Trivia
Answer
John Boyd Dunlop (He made it for his sons tricycle)

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Reuben and Rose Mattus established what ice cream brand in 1961?

The Half Eagle was the first gold coin to be minted in the U.S but what face does the coin have?

What is the largest building in the world by volume?

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