The existence of microscopic organisms was discovered during the period 1665-83 by two Fellows of The Royal Society, Robert Hooke and Antoni van Leeuwenhoek.

Which scientist first discovered the microbial world?

Leeuwenhoek is universally acknowledged as the father of microbiology. He discovered both protists and bacteria [1].

Who explored microbial world?

Discovering the microbial world. Content: In 1674 Anton van Leeuwenhoek peered into a drop of pond scum through a lens mounted between two metal plates (see Figure 1) and discovered an incredible world of microscopic organisms that was totally unknown to anyone at that time.