-
Simple compound microscope is invented.
Zaccharias Janssen and his son Hans invented the first simple compound microscope with 2 lenses. -
The term "cells" are used for the first time.
Robert Hooke cut a thin slice of cork and when he looked at it under a microscope, he saw chambers which reminded him of the small rooms where monks lived and called them cells. -
Simple Microscope with one lens is invented.
Anton Van Leeuwen Hoek was a dutch merchant. He experimented with grinding lenses and ended up creating the Simple Microscope. He is considered " The Father of Microscopy" and built over 240 different microscopes. He was the first to see and describe microorganisms under a microscope and called them "tiny animalcules".