1 nov 1921 anni - Alexander Fleming (1881-1955) was a bacteriologist and a doctor who was the pioneer of penicillin and lysozyme. On Nov 1921, Fleming discovered lysozyme while dealing with a cold. He had a drop mucus from his nose onto a number of bacteria. After a few weeks, he discovered that the bacteria has dissolved. This was Alexander Fleming's first discovery to the human immune system.
Aggiunto al nastro di tempo:
Data:
1 nov 1921 anni
Adesso
~ 102 years ago
