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German physician Robert Koch announced the discovery of Mycobacterium tuberculosis, the pathogen that causes tuberculosis.

Historical image related to German physician Robert Koch announced the discovery of Mycobacterium tuberculosis, the pathogen that causes tuberculosis. from March 24, 1882

Robert Koch

German physician and bacteriologist (1843–1910)

Heinrich Hermann Robert Koch was a German physician and microbiologist. As the discoverer of the specific causative agents of deadly infectious diseases including tuberculosis, cholera and anthrax, he is regarded as one of the main founders of modern bacteriology. As such he is…
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Mycobacterium tuberculosis

Species of pathogenic bacteria that causes tuberculosis

Mycobacterium tuberculosis, also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis.
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Pathogen

Biological entity that causes disease in its host

In biology, a pathogen, in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ.
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Tuberculosis

Infectious disease

Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis generally affects the lungs, but it can also affect other parts of the body. Most…
Source: Wikipedia (CC BY-SA)