Bacteria were first discovered by
A
Robert Koch
B
Robert Hooke
C
Louis Pasteur
D
A.V.Leeuwenhoek
Correct Answer: A.V.Leeuwenhoek
Two men are credited today with the discovery of microorganisms using primitive microscopes: Robert Hooke who described the fruiting structures of molds in 1665 and Antoni van Leeuwenhoek who is credited with the discovery of bacteria in 1676.