In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world ...

Asclepiades of Bithynia, influenced by Epicurean philosophy, pioneered medical innovations and foreshadowed the principles of ...

The next great breakthrough came in the 1860s when Louis Pasteur, using Lister’s microscope, discovered germs and revolutionised medical knowledge. Germs were given their name because they ...

However, Louis proved his point in a cunningly simple experiment ... What now? Louis Pasteur next discovered the germ, or more precisely, the 'germ theory of disease', in which diseases are ...

Their ideas were largely ignored until Louis Pasteur carried out his own detailed experiments that disproved the chemical decomposition theory. Another popular theory of the time was spontaneous ...

Enter: Louis Pasteur ... bacteria in the air. Pasteur went on to argue that this same bacteria could cause disease. To describe these ideas, he coined the phrase ‘Germ Theory’.