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Zacharias Jansen
Invented the first compound and optical microscope. Anton Van Leewenhoek would later go on to improve his invention. -
Robert Hooke
He obsevered pieces of cork fro a cork tree under a microscope, which led him to use the word "cell". -
Anton Van Leewenhoek
He improved Zacharias Jansen's microscope. He also was the first to observe and describe single celled organisms, which he referred to as animalcules, and we now call tthem microorganisms. -
Matthias Schleiden
He was a German botanist, and a co-founder of the cell theory with Theodor Schwann and Rudolf Virchow. -
Theodor Schwann
He was a German zoologist. He made the discovery of the organic nature of yeast, and the invention of the term metabolism. -
Rudolph Virchow
He was a German pathologist and he was referred to as the "Father of Pathology". He also came up with the now popular medical idea, "Omnis cellula e cellula", or "Every cell originates from another cell".
