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Zacharias Janssen
Hans and Zacharias Jannsen produced the first compound microscope by combining two convex lenses within a tube. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm Hans and Zacharias Jansen: A complete microscope history. (n.d.). Retrieved September 22, 2015. -
Robert Hooke
Robert Hooke discovered the Cellular composition of cork and introduced the word cell to the science world. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm Microscope history: Robert Hooke (1635 - 1703). (n.d.). Retrieved September 20, 2015, from http://www.history-of-the-microscope.org/robert-hooke-microscope-history-micrographia.php -
Anton Van leeuwenhoek
Improved magnification of microscopes by polishing lenses. Anton van Leeuwenhoek: A history of the compound microscope. (n.d.). Retrieved September 20, 2015. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm -
Anton Van Leeuwenhoek
"Animacules" were discovered. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm Anton van Leeuwenhoek: A history of the compound microscope. (n.d.). Retrieved September 20, 2015. -
Anton Van Leeuwenhoek
Discovered bacteria from a sample of saliva from his mouth. Anton van Leeuwenhoek: A history of the compound microscope. (n.d.). Retrieved September 20, 2015. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm -
Matthias Schleiden
Discovered that plants were made up of cells. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm Matthias Schleiden (1804-1881). (n.d.). Retrieved September 21, 2015, from http://www.merke.ch/biografien/biologen_en/schleiden.php -
Theodor Schwann
Discovered that animals were made up of cells Theodor Schwann Theorizes that All Living Things are Made of Cells. (n.d.). Retrieved September 21, 2015, from http://www.science-of-aging.com/timelines/theodor-schwann-all-life-composed-of-cells.php Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm -
Rudolph Virchow
Stated that all living things come from other living things. Cell Theory. (n.d.). Retrieved September 20, 2015, from http://www.cpschools.com/schools/osm/theory.htm(n.d.). Retrieved September 21, 2015, from https://en.wikipedia.org/wiki/Rudolf_Virchow -
Modern cell theory
1:) All living organiisms are composed of cells. They may be uncellulaor multicellular.
2:) The cell is the basic unit of life.
3:) Cells arise from pre-exsisting cells. The wacky history of cell theory - Lauren Royal-Woods. (n.d.). Retrieved September 21, 2015, from https://www.youtube.com/watch?v=4OpBylwH9DU Bailey, R. (n.d.). Cell Theory. Retrieved September 20, 2015, from http://biology.about.com/od/biologydictionary/g/celltheory.htm
