There is great debate in toy history as to who really invented Silly Putty. One thing is for sure: we can thank the American rationing of rubber during Word War II for its existence. The shortage of rubber was due to the Japanese invasion of many rubber-producing countries during that time period, which led the U.S. government to fund research into synthetic rubber compounds. James Wright, the man who was awarded the patent in 1943, discovered that reacting boric acid with silicone oil would produce a gooey, bouncy material with several unique properties. Although it never became a suitable …
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