Paul Ehrlich

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Paul Ehrlich (German: [ˈpaʊl ˈeːɐ̯lɪç] ; 14 March 1854 – 20 August 1915) was a German physician and scientist who worked in the fields of hematology, immunology and antimicrobial chemotherapy. He shared the 1908 Nobel Prize in Physiology or Medicine with Élie Metchnikoff "in recognition of their work on immunity". Among his foremost achievements were finding a cure for syphilis in 1909 and inventing an important modification of the technique for Gram staining bacteria. The methods he developed f