Posted by ROSHAN B.S on Aug. 26, 2014, 9:19 p.m.
Antonie Van Leeuwenhoek (1632–1723) was one of the first people to observe microorganisms, using microscopes of his own design.[29] Robert Hooke, a contemporary of Leeuwenhoek, also used microscopes to observe microbial life; his 1665 book Micrographia describes these observations and coined the term cell