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Cell Theory Timeline

by Charlotte Bleau, Meredith Brasher, Claire Lenz, Claire Rieder due Tuesday February 5, 2013

Claire Lenz

on 5 February 2013

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Transcript of Cell Theory Timeline

Cell Theory Timeline BCE - early 1500s Late 1700s 1800s The Cell Theory 1600s Early 1700s NOW Claire Lenz
Claire Rieder
Meredith Brasher
Charlotte Bleau Ancient Egyptians discovered complexity and function of human body through mummification

discovered the complexity of cells in plants and animals 3150 B.C.E. Aristotle 384-322 B.C.E. "first great biologist"
analyzed plants and animals teleologically
classified organisms by how complex their inner organs were Medieval Europeans 1500's Andreas Vesalios 1514-1564 Hans and Zacharias Janssen 1608 Franceso Redi 1626-1697 Robert Hooke 1635-1703 Anton van Leeuwenhoek 1632-1723 Lazzarro Spallanzani
famous story of obvserving cork under a microsope and noticed little compartments, similar to monk cells.
used early microscope to discover plant cells
created Theory of Elasticity, a.k.a. Hooke's Law John Needham 1713-1781 Robert Brown 1773-1858 Lorenz Oken 1779-1851 Theodor Schwann 1810-1882 Rudolf Virchow 1821-1902 Louis Pasteur 1822-1895 1729-1799 How Science Works Jean Baptiste Lamarck 1744-1829 inventor of the compound microscope

allowed objects to be enlarged more than any magnifying glass physician who demonstrated the falsehood of spontaneous generation
though still believed it
true for gall flies and
intestinal worms a clergyman, naturalist who discovered microscopic organisms (animalcules)
staunch advocate of spontaneous generation experimental biologist
discovered air carries microscopic life
life in food can be killed by boiling
watched isolated bacterial cells divide French naturalist & botanist, weather forecast
biological evolution
change forms to adapt
acquired characteristics All living things are composed of cells (multicellular or unicellular)
The cell is the basic unit of life
All cells originate from pre-existing cells Scottish botanist who discovered the nucleus within cells
gave the nucleus its name when studying plant cells and noticed pollen travelling in/out of an oval shape.
studied plant fossils under microscopes
famous for describing agitation of microscopic particles called Brownian motion.

German scientist and physician
believed that the cell is the basic unit of life and that disease results from a malfunction within the cell
wrote famous Cellular Pathology (1858) defined cells as a basic unit of animal structure
advanced cell theory for plants and nerve cells, named Schwann cells.
said the egg is a single cell that eventually develops into a multicellular organism. BCE-early 1500's 1600's Early 1700's Late 1700's 1800's creating theories requires evidence and multiple sources over time.
science is the explanation for the phenomenon of the world and everything in and of itself. Was a German naturalist who made advances past common assumptions/ideas in the application of the Priori Principle.
Priori Principle: When assumptions are made (Ex: Spontaneous generation)
Stated that "All organic beings originate from and consist of cells and/or vesicles."
Believed in the idea that all cells are formed from preexisting cells. Matthias Schleiden 1804-1881 Was a German botanist who made advances in ideas of cells and Cell Theory
Was one of the cofounder of the cell theory along with Theodor Schwann and Rudolf Virchow
Was known for stating that "The cell was the basic unit for life."
Discovered that plant tissues are composed of cells Was a French chemist and microbiologist who made contributions in the causes and cures of diseases
Was known for refuting the common beliefs about spontaneous generation -which was a common belief during the Middle Ages
Proved Cell Theory by showing that spontaneous generation was inaccurate and all cells form form preexisting cells. "founder of human anatomy"
popularized the use of drawings to study anatomy
published "Fabrica" in 1543
first manual of anatomy with illustrations Illustrations from "Fabrica" Dutch amateur scientist
first to observe and record microscopic life
In 1674, discovered "animalcules" and first person to correctly describe red blood cells
His discoveries helped to disprove spontaneous generation During these time periods, people began to question the nature of life through scientific perspectives
Foundations for the Cell theory and Boilogy began to emerge during this time period
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