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Zacharias Janssen
The Zacharias Janssen creates the design for the first microscope. -
Robert Hooke
Hooke coined the term cell when he was looking at sliced cork through a microscope lens and saw tiny compartments that looked like the walled compartment a monk would live in. -
Francesco Redi
Francesco Redi, an Italian physician, did an experiment to determine if rotting meat turned into flies. He found that meat cannot turn into flies. This helped disprove the theory of spontaneous generation. -
Anton Van Leeuwenhoek
Leeuwenhoek reported the the royal society that he had discovered little animals which were bacteria and Protozoa. -
Lazzaro Spallanzani
Lazzaro Spallanzani, an Italian biologist, tried variations on John Needham’s soup experiments. He found out soup in a container was okay and micro organisms from the air caused it to spoil. -
Robert Brown
Brown discovered the nucleus of the cell. -
Matthias Jakob Schleiden
Schleiden observed that all plants are made of cells or derivatives of cells. -
Theodor Schwann
Schwann defines the cell as the basic unit of animals -
Louis Pasteur
Pasteur was the first scientist to disprove spontaneous generation. He was the first to prove cells can only come from pre existing cells using an experiment that showed cells would only grow in broth if exposed to air. -
Rudolph Virchow
Virchow contributed that diseases don’t start in the tissues and organs of a body but the cells and all cells come from pre existing cells. He also stated that not all plants are made of cells. -
Albert Von Kölliker
Kölliker was the scientist who discovered the mitochondria of the cell and he also advocated the view that tissues are masses of cells.
