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Look carefully caricature an...

Look carefully caricature and guess the name of musician.

Correct answers: 60

The first user who solved this task is Donya Sayah30.

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Thomas Burr Osborne

Died 29 Jan 1929 at age 69 (born 5 Aug 1859).American biochemist who made major contributions to understanding the chemistry of vegetable proteins. He and his collaborator Lafayette Mendel showed that tryptophan and lysine are essentials in diet for healthy growth. They discovered another essential, a fat-soluble substance, in butter (now known as vitamin A). Similar work revealing that substance, published three weeks earlier was done by Elmer Verner McCollum and Marguerite Davis, who also found it in egg yolks (1912).

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