Robert koch

Robert Koch

1. Welcome

2. ROBERT KOCH (international scientist) Presented by, MOHAMED SHABEEB E NATURAL SCIENCE

3. Robert Heinrich Herman koch

4. Born : 11 December 1843, Clusthal - kingdom of Hanover. Died : 27 May 1910 (aged 66), Baden. Nationality : German Field : microbiology Institutions : Imperial Health Office, Berlin

5. Robert koch (1843-1910) He is a German physician. The specific diseases are caused by specific germs. He is widely regarded as one of the founders of the science of bacteriology and microbiology. Robert koch showed that a spore forming organism. Bacillus anthracis was the cause of anthrax disease. This organism was then epidemic in sheep, cattle and other domestic animals. This disease also occurs in man.

6. No laboratory and he carried out his experiments in his home. Using experimental animal is mice. He is a father of medical microbiology. Robert koch followed four experimental steps which have been known as Koch’s postulates.

7. Koch’s postulates: 1.The microorganism must be present in every instance of the disease and absent from healthy individuals. 2.The microorganisms must be capable of being isolated and growth in pure culture. 3.When the microorganisms is inoculated into a healthy host, the same disease condition must result. 4.The same microorganisms must be re-isolated from the experimentally infected host.

8. Contributions in science Discovery of bacteriology, Koch’s postulates of germ theory, Isolation of anthrax, tuberculosis and cholera.

9. Notable Award He is established that specific diseases are caused by specific germs (Germ theory of disease) He won the Nobel prize for medicine in 1905.

10. Thank you