Robert Koch -Biologist, Scientist, Medical Professional (1843–1910)

Prussian physician Robert Koch is best known for isolating the bacterium which causes tuberculosis, the cause of numerous deaths in the mid-19th century.

Physician Robert Koch is best known for isolating the tuberculosis bacterium, the cause of numerous deaths in the mid-19th century. He won the Nobel Prize in 1905 for his work. He is considered one of the founders of microbiology and developed criteria which he named Koch’s postulates that were meant to help establish a causal relationship between a microbe and a disease.