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9 Cards in this Set

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Robert Hooke (1665)
Observes cork under a primitive microscope

Calls the small chambers he sees "cells"
Anton van Leeuwenhoek (1670s)
First to observe bacteria and protists
Lorenz Oken (1805)
"All living organisms originate from and consist of cells"
Robert Brown (1833)
Reported discovery of cell nucleus
Matthias Schleiden (1838)
Publishes first observation of the nucleus
Theodor Schwann (1839)
Influenced by Schleiden's work to publish cell thoery
Rudolf Virchow (1855)
Deduced that "all cells come from other cells"
August Weissman (1880)
Cells alive today can trace their ancestry to ancient times
Lynn Margulis (1981)
Publishes "Symbiosis in Cell Evolution" - eukaryotic cells originated through prokaryotic cells engulfing other cells as symbionts (mitochondria and plastids)