Stock Photo - Historical sheets containing notes and mathematical formulas by polymath Gottfried Wilhelm Leibniz (1646-1716) are on display in the 'Gottfried Wilhelm Leibniz Bibliothek - Niedersaechsische Landesbibliothek' (GWLB, lit. Gottfried Wilhelm Leibniz Library - Lower Saxon State Library) in Hanover, Germany, 08 December 2015. Hanover has dedicated the year 2016 to Gottfried Wilhelm Leibniz which will mark the 370th and 300th anniversary of his birthday and year of death respectively. Photo: HOLGER HOLLEMANN/dpa | usage worldwide. - Hanover/Lower Saxony/Germany

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