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2021-01-14 15:46:17
Robert Koch
Robert Koch Writes on "Mosquitoes relevant for malaria" and his Upcoming Malaria Expedition
1899. Robert Koch, Nobel Laureate and discoverer of the tubercle bacillus and the cholera pathogen, 4 page Autograph Letter Signed "R Koch" on malaria. Dated February 4, 1899, in German, weeks before departing on a malaria expedition to Italy, the East Indies, and New Guinea. Robert Koch was the first person to systematically study malaria epidemiology, (Parasite Immunology, 623). which he did on this pivotal journey discussed in our letter in detail. Here, Koch is at the brink of his departure for an expedition that would lead to essential discoveries to fight malaria, and where he would create many malaria-fighting techniques still in use today. The purpose of Koch's expedition was to research the connection between mosquitoes and malaria. In 1897, Ronald Ross had first postulated the connection between these insects and the disease. Koch confirmed Ross' conclusions and took the further step of studying cases of immunity. This letter mentions in detail the collecting and studying of mosquitoes. Koch writes here "Until just a few weeks ago, I was still able to receive mosquitoes, albeit only few. But since then, we have had frost, and the flies have vanished. As temperatures start to climb again this month and the next, they must reappear, and I would find it very interesting to get to know precisely those species to appear first." Koch's rigorous and systematic attention to detail enabled him to greatly increase what we know about malaria in a very short time. From the letter, we can tell that Koch had a worldwide correspondence of colleagues who would send him … [Click Below for Full Description]
Bookseller: Max Rambod Inc. [United States]
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