{"document_url": "https://en.wikipedia.org/wiki/Karl_Mollweide"}
German mathematician and astronomer

Karl Brandan Mollweide (3 February 1774 – 10 March 1825) was a German mathematician and astronomer who taught in Halle and Leipzig. In trigonometry, he rediscovered the formula now known as Mollweide's formula. He invented a map projection called the Mollweide projection.