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Daniel Rutherford Haldane died in 1887.
Daniel Rutherford Haldane was born in 1824.
Daniel Rutherford was born on November 3, 1749.
Daniel Rutherford died on November 15, 1819.
I`m not sure how it was discovered, but it was discovered by Daniel Rutherford in 1772. I`ll get back to you on how it was discovered... :P