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Title: Robert Heinrich Hermann Koch
Caption: Robert Heinrich Hermann Koch, 1843 - 1910, celebrated German physician and pioneering microbiologist, historical image or illustration, published 1890, digital improved.
Credit: Album / Universal Images Group / Bildagentur-online
Image size: 3219 × 4000 px | 36.8 MB
Print size: 27.3 × 33.9 cm | 1267.3 × 1574.8 in (300 dpi)