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330 BCE
Aristotle
He invented the field of formal logic. He also found that each germ came from another. https://www.britannica.com/biography/Aristotle -
Zacharias Jansen
He invented the first compound microscope. He invented the microscope by combining two convex lenses within a tube. His device helped many scientists with the spontaneous generation. http://www.historyoftelescope.com/telescope-invention/zacharias-janssen/ -
Jan Baptist Van Helmont
He discovered the process of photosynthesis. http://www.historyoftelescope.com/telescope-invention/zacharias-janssen/ -
Robert Hooke
He discovered plant cell. More specifically he discovered cell walls in cork tissue. https://ucmp.berkeley.edu/history/hooke -
Anton Van Leeuwenhoek
The first microscope that had lenses that could magnify. http://www.bbc.co.uk/history/historic -
Theodor Schwann
Discovered the cell theory, he also invented pepsin in 1836 -
Lorenz Oken
A proponent of Natural Science and philosophy he founded the fundamental units of life. https://www.britannica.com/biography/Lorenz-Oken -
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Matthias Schleden
He was the cofounder of Cell Theory the cell as a basic unit of plant structure. https://www.britannica.com/biography/Matthias-Jakob-Schleiden -
Albrecht Von Roelliker
He discovered the help of powerful microscopes that the sperm and egg were composed of cells and that humans are formed of cells. https://www.sutori.com/item/untitled-d27b-e6b4 -
Rudolf Virchow
He discovered the origin of cells was the division of pre-existing cells. https://en.wikipedia.org/wiki/Rudolf_Virchow -
Louis Pasteur.
He developed the process of pasteurization. He also proved germs caused diseases and developed vaccines for anthrax and rabies. https://www.livescience.com/43007-louis-pasteur
