|Birth Day||March 10, 1628|
|Age||391 YEARS OLD|
|Died On||Sep 30, 1694 (age 66)|
He began using the microscope in his youth as a way to amuse himself.
By studying human and vegetable tissues under the microscope, he discovered capillaries.
His parent's died when he was 21.
The scientist Robert Hooke also made revolutionary observations with the microscope.