Max von Pettenkofer, German chemist - Stock Image - C021/5080 - Science Photo Library
Max von Pettenkofer, German chemist and physician - Stock Image - H416/0156 - Science Photo Library
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Pettenkofer revisited: the life and contributions of Max von Pettenkofer (1818-1901). | Semantic Scholar
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Max Joseph von Pettenkofer - Wikipedia
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Max von Pettenkofer, undated photo (Die Woche 3, no. 7 [1901], shelf... | Download Scientific Diagram
Max von Pettenkofer: Schon zu Cholera-Zeiten gab es einen Drosten und einen Streeck - WELT
Pettenkofer, Max von (1818 – 1901)
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Deutsches Museum: Max von Pettenkofer
Max Joseph Pettenkofer, ennobled in 1883 as Max Joseph von Pettenkofer, 1818-1901, a Bavarian chemist and hygienist. He is known for his work in practical hygiene, as an apostle of good water,
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How Max Joseph von Pettenkofer Changed the World of Hygiene - Gordian Knot