flemming
Alexender Flheming
he is famous mathematician and scientist that contributed to the development of telephone his name Sr. Joel Omongos
hagen
from antibiotic
pencillin
Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming. He observed that a mold called Penicillium notatum inhibited the growth of bacteria, leading to the development of the first antibiotic.
Claude Bernard
Louis pasteur
ikaw .
he was the person who contributed to the structure of atoms
It is not compulsory.
Kill bacteria