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Hans and Zacharias Jansen
Invented the compound microscope (two lenses within a tube) -
Robert Hooke
Saw the 1st cell while looking at a cork tree using a microscope. Gave “cells” their name -
Francisco Redi
Used rotten meat to discover cells do NOT spontaneously pop up! Cells come from cells -
Anton van Leeuvenhoek
1st scientist to observe one celled organisms (such as bacteria) using pond water & teeth scrapings -
Mathias Schleidan
Discovered that plant tissues are made of cells. All plants are made of plant cells. -
Theodore Schwann
Discovered that animal tissues are made of cells. All animals are made of animal cells -
Rudolph Virchow
Observed cells dividing, which led to the 3rd part of the cell theory: “Cells come from pre-existing cells” -
Francis Crick & James Watson
Made the 1st model of DNA, proving genes are hereditary