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1543
Andreas Vesalius
publishes the anatomy treatise "De humani corporis fabrica". -
William Harvey
published: An Anatomical Exercise on the Motion of the Heart and Blood in Animals. -
Jan Swammerdam
He observed red cells in the blood using a microscope. -
Robert Hooke
He was the first to use the word "cell". And he observes cork cells under a microscope. -
Antoni van Leeuwenhoek
he is a great scientist who observed many things, especially spermatozoa. This observations which show that the semen contained in the testicles is at the origin of the reproduction of mammals -
Carl von Linné
He write his Systema Naturæ (the System of Nature), a classification system for living beings, unchanged since Aristotle.