Robert Koch
Photo gallery
1 (of 2) Robert Koch (third from right) on a German medical expedition to Egypt to study the cholera epidemic, 1884.
Photographer unknown. Public domain, via Wikimedia Commons. Source: KRUIF, Paul de. Mikrobenjäger. Orell Füssli, Zürich, 1927.
2 (of 2) Robert Koch working in his laboratory at Kimberley, South Africa. Photogravure of gouache painting.
Wellcome Images, CC BY 4.0, via Wikimedia Commons
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