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150
Claudius Ptolemy
In 150 ACE Claudius Ptolemy began investigation in Magnification -
Period: 150 to
Cell Discovery
Timeline for Cell Discovery and all the events that contributed to the discovery of cells. -
Jan 1, 1485
Leonardo Da Vinci
In 1485 Leonardo Da Vinci protested that in order to view small objects lenses needed to be used -
Hans and Zacharias Jansen
Hans and Zacharias were brothers and together they created the first compound microscope -
Robert Hooke
In 1665 Robert Hooke explained the microscopic structure and how it worked -
Anton van Leewuwenhoek
In 1674 Leewuwenhoek completed his task of improving magnification -
Anton van Leeuwenhoek
Discovered and described "animacules" -
Anton van Leeuwenhoek
Discovered bacteria -
Caspar Wolff
Proposed that all organs in animal embryos were made of globules which could be seen under a microscope. -
Felice Fontana
Described the nucleolus after finding it in the slime from an eel's skin. -
Jean Baptiste de Lamarck
Declared that celular tissue is the general of all organisations. -
Henri Dutrochet
Stated that all organic tissues are actually globular cells of exceeding smallness, united by simple adhesive forces. -
Pierre Turpin
Reported his observations of cell division. -
Franz Meyen
Stated that each cell forms an independent, isolated whole, it nourishes and builds itself up. -
Robert Brown
Published his observations reporting the discovery of nuclei in cells. -
Matthias Schleiden
Disocvered that plants are made up of cells. -
Hugo von Mohl
Described how mitosis worked in plants. -
Theodor Schwann
Discovered that animals were made up of cells. -
Rudolph Virchow
Stated that all living cells can only come from other living cells. -
Gregor Mendel
Investigated and Published his findings of Plant Hybrids. -
Anton Schneider
Obsereved then described what chromosomes were during Cell Division.