-
Zacharias Jansen
Produced first compound microscope by combining two complex lenses with a tube. Allowed people to observe cells. -
Jan Baptist van Helmont
Belived in spontanegous generation. Believed if you put a rag over a pot of rice for 21 days you would create mice. -
Robert Hooke
He discovered and named cells. -
Robert Brown
Discovered the nucleus in plant cells. -
Anton van Leeuwenhoek
First to observe and describe single celled organisms referred to as " animalcules". -
Aristole
Aristotle observed preformation and epigenisis when theorizing how animals and plants developed. Preformation is the theory that a sperm or other cell is a miniature version of the animal and will grow when properly stimulated. Epigenisis is the theory that animals develope from similar parts or other animals. -
Lorenzzaro Spallanzi
Created new classifications for animals based on their evolutionary path. Shows similarities between organisms cells fundamental unit of life. -
Matthias Schleiden
He discovered that all plants are made of cells. -
Theodor Schwann
He discovered all animals are made of cells. -
Albrecht von Roelliker
He claimed research on the nervous system. Connection between nerve fibers and cell bodies are all attached. -
Rudolph Virchow
Discovered new cells could be produced only by division of existing cells. Also that living things can only come from other living things. Nonliving things cant make living things -
Louis Pasteur
Ended debate with swan-neck flask experiment and is the reason that Paturization was made and is still used today.
