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Jan 1, 1501
Hippocrates
Hippocrates develops the pangenisis theory and believes that upon conception, various organ seedlings from the parents combine. -
Jan 1, 1550
Aristotle
Published "History of Animals & Generation of Animals" -
Robert Hooke
Publishes "Micrograhia," uses the word "cell" to describe the structure of a cork. -
Anton Van Leewenhoek
Used improved microscopes to study many biological specimens. -
Nicolaas Hartsoeker
Illustrates homunculus in microscopic observation of a sperm. -
Carolus Linnaeus
Develops the scientific classification system & the binomial nomenclature system. -
Joseph Kolreuter
systematically studies genetics using tobacco plants. -
John Dalton
Describes red-green color blindness. -
Sean Baptiste Lamark
Proposes the inheritance of acquired traits theory. -
Robert Brown
Describes and names the nucleus. -
Matthias Schleiden
Proposes that the nucleus plays a role in plant cellular reproduction. -
Theodor Schwann
Discovered that the nucleus in animal cells also plays a role in cellular reproduction. -
Schleiden, Schwann, & Virchow
Develop the Cell Theory -
Alfred Russel Wallace
Helped present the Theory of Evolution by Natural Selection. -
Charles Darwin
Theorized that animal species evolve through natural selection. -
Louis Pasteur
Louis Pasteur studied bacteria and how to kill it.
