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Max Joseph von Pettenkofer was born in southern Germany in 1818; attended high school in Munich and then studied pharmacy, natural science and medicine, qualifying with a Phd in medicine, surgery and midwifery, 1843. Pettenkofer then applied to join Liebig's laboratory at Giessen, having to wait two years to enter. During these two years he studied at Würzberg, devising the test for bile acid that bears his name and started research into meat juices which inspired Liebig to investigate them.
Pettenkofer left Giessen to seek better-paid employment in Munich; was appointed Extraordinary Professor of Pathological Chemistry at the University of Munich, 1847 and was promoted to Ordinary Professor 8 years later. Pettenkofer became Chief of the Court Pharmacy and Apothecary to the Court, 1850 and began investigating John Snow's thesis that cholera and typhoid were water-borne, following epidemics in Munich. Results of his investigation convinced him that the cause lay in the moisture content of the soil which varied with the rise and fall of ground water. Despite his fallacious theories Pettenkofer's sanitary work improved the health of Munich. Pettenkofer refused to believe in the germ theory and is said to have drunk a vial of water contaminated by Vibrio cholerae which was sent to him by Robert Koch, assuring Koch that he remained in his usual good health. There is a theory that this was a death wish in disguise as he later committed suicide in 1901.
Publications: Cholera: how to prevent and resist it (Baillière Tindall, & Cox, London, 1883); Outbreak of cholera among convicts : an etiological study of the influence of dwelling, food, drinking-water, occupation, age, state of health, and intercourse upon the course of cholera in a community living in precisely the same circumstances (Asher, London, 1876) and The value of health to a city: two lectures delivered in 1873 (Johns Hopkins Press, Baltimore, 1941).