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Period: 384 BCE to 322
Aristotle
invented science as a field of study from observations of the natural world -
Period: to
Zacharias Jansen
invented the microscope
supported the belief of spontaneous generation -
Period: to
Jan Baptist van Helmont
Improved the microscope -
Period: to
Robert Hooke
Coined the term cell, and discovered the cells nucleus in plants -
Period: to
Anton van Leeuenhoek
invented lenses that can magnify to 270 -
Period: to
Lorenz Oken
Said ¨All living organisms originate and consist of cells" -
Period: to
Matthias Schleiden
discovered the importance of a cell nucleus -
Period: to
Theodor Schwann
Did experiments to disprove spontaneous generation -
Period: to
Robert Brown
discovered the cells nucleus -
Period: to
ALbrecht von Koelliker
Interpreted the developing embryo in terms of cell theory. Established cell theory. -
Period: to
Louis Pasteur
cells can only come from preexisting cells -
Period: to
Rudolf Virchow
Division of cells happens from preexisting cells