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Ehrlich Ehr·lich (âr'lĭKH), Paul. 1854-1915.
German bacteriologist who conducted pioneering research in chemotherapy and developed the chemical Salvarsan as a treatment of syphilis. He is also known for his work in the fields of hematology and immunology, for which he shared a 1908 Nobel Prize.
German bacteriologist who was a pioneer in the study of the blood and the immune system, and in the development of drugs to fight specific disease-causing agents. He discovered a compound that was effective in combating sleeping sickness as well as a drug, called salvarsan, that cured syphilis.