Heinrich Hermann Robert Koch (11 December 1843 – 27 May 1910) was a German physician. He became famous for isolating Bacillus anthracis (1877), the Tuberculosis bacillus (1882) and Vibrio cholerae (188...

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Henry Alfred Kissinger (born May 27, 1923) is a German-born American political scientist, diplomat, and recipient of the Nobel Peace Prize. He served as National Security Advisor and later concurrently...

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Wilhelm Conrad Röntgen (27 March 1845 – 10 February 1923) was a German physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range today known as X-rays or...

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