Who among the following discovered the antibiotic producing fungus fro

Who among the following discovered the antibiotic producing fungus from Penicillium genus?

Louis Pasteur
Sir Alexander Fleming
Stanley Prusiner
Robert Hooke
This question was previously asked in
UPSC NDA-2 – 2015
Sir Alexander Fleming discovered penicillin in 1928, observing that a mould of the genus *Penicillium* contaminated a staphylococcus culture plate and killed the bacteria. This serendipitous discovery led to the identification of penicillin as the first widely used antibiotic.
The discovery of penicillin by Alexander Fleming revolutionized medicine by providing an effective treatment for bacterial infections.
Louis Pasteur was a pioneering microbiologist known for pasteurization and the germ theory of disease. Stanley Prusiner discovered prions, which are infectious proteins. Robert Hooke was a 17th-century scientist known for his microscopic observations and coining the term “cell”.