Invented first compound microscope (two lenses to magnify objects).
Viewed first cells using a compound microscope.
Named them “cells” (looked like monastery rooms).
Wrote Micrographia (1665).
Stated: All living things are made up of cells.
Robert Hooke
Father of Microbiology.
Made his own simple microscope.
First to observe microorganisms (“animalcules”).
. Anton van Leeuwenhoek
Father of Experimental Biology.
Disproved spontaneous generation through meat-and-maggot experiment.
Concluded: Plants are made of cells.
Concluded: Animals are made of cells.
Father of Modern Pathology.
Stated Omnis cellula e cellula → All cells come from pre-existing cells.
Cell Theory
All living things are made up of one or more cells.
The cell is the basic structural and functional unit of life.
All cells come from pre-existing cells (Omnis cellula e cellula – Rudolf Virchow).
Cells contain hereditary information (DNA), passed from cell to cell during cell division.
All cells have basic chemical composition and structure.
Energy flow occurs within cells.