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[30 Oct 2018 | Comments Off on Irving J. Good (1916–2009) | ]

Irving J. Good was born in London in 1916 and became proficient in mental arithmetic by the age of nine. Lying in bed with diphtheria, he turned over in his mind his sister’s lesson on square roots. On his own, he realized the irrationality of the square root of two and solved Pell’s equation. The impressive feat of reaching these conclusions as a young boy is not compromised by the fact that they had been reached by others long before he was born.
In secondary school, Good distinguished himself in mathematics, …