Robert Koch and his Fight against Tuberculosis

Robert Koch (1843-1910)

Robert Koch (1843-1910)

On December 11, 1843, Robert Koch, the founder of modern bacteriology, was born. He is known for his role in identifying the specific causative agents of tuberculosis, cholera, and anthrax and for giving experimental support for the concept of infectious disease. As a result of his groundbreaking research on tuberculosis, Koch received the Nobel Prize in Physiology or Medicine in 1905.

As a young boy, Robert Koch learned reading and writing auto didactic and starting from 1848 he was taught by a private teacher followed by a grammar school. His grandfather was the one who introduced the curious boy how to handle the microscope, which highly influenced his decision in enrolling at the University of Göttingen, Germany in order to study medicine. Right at the end of his time at the university, Koch was taught by Rudolf Virchow,[3] the father of modern pathology. In the 1870s during the Franco-Prussian War, Koch gained much experience with the typhoid fever and started with own studies on bacteria. After leading an expedition researching for cholera in India and Egypt, Robert Koch started his career in Berlin. In 1885, he became professor at the institute for hygiene, which was part of the university of Berlin and retired in 1904.

Koch’s influence on modern medical science is incredible. However, many people think of Koch as the discoverer of Bacillus anthracis. In fact, he was “only” the one who proved conclusively that the bacterium was able to cause a disease that was dangerous for both, humans and animals. The publication on the topic was published in 1876. Also, Robert Koch always used the latest technology during his studies and even used photography to record his findings.

In the 1880’s, Koch started his experiments on tuberculosis. In these years, many scientists did not believe that the illness was infectious. Koch began experimenting with guinea pigs, which was at first more fruitful than a culture medium. He innovated the procedure drastically and finally, at attempt number 271, he discovered the causative agent. Shortly after, Koch held his very famous speech at the physiological society of Berlin on his findings and it is reported that the audience was so stunned and impressed that afterwards, that there was complete silence. The effect was immense. Tuberculosis was finally accepted as a “stand alone” illness and Koch became famous.

close-up of a Mycobacterium tuberculosis culture revealing this organism’s colonial morphology

close-up of a Mycobacterium tuberculosis culture revealing this organism’s colonial morphology

The subject of bacteriology and hygiene was finally accepted widely. Unfortunately for Koch, he was then appointed professor in Berlin, a task that he never really enjoyed and that made him quite sick, due to too much stress. In the meantime, Louis Pasteur managed to accomplish several scientific experiments that made him famous in the field as well.

Even more unfortunate was the fact that Koch announced to have found a treatment against tuberculosis in 1890. Since about every 7th German citizen died of the disease, a huge euphoria was noticeable, when the well trusted scientist announced this discovery in Berlin. However, later on it was found out that Koch himself did not really know all ingredients of the mysterious treatment and that it even worked counterproductive for many patients.

Despite this scandal, Koch was one of the most important scientists of his time, wherefore he received the Nobel Prize in 1905 for his achievements.

At yovisto academic video search you can learn that tuberculosis is still a threat in the 21st century in the lecture of Prof. William Ayliffe from Gresham College, London.

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