![Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2766009&cache=false)
Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia
![Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2766014&cache=false)
Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia
![Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia Robert Koch (December 11, 1843 — May 27, 1910), German microbiologist, physician, scientist | World Biographical Encyclopedia](https://prabook.com/web/show-photo.jpg?id=2766008&cache=false)