Events
Father-son team of Hans and Zacharias Jannsen invent the first microscopeHooke describes cellular structure in his article, MicrographiaRobert Hooke improved previous microscope designs which used 3 lenses and a stage light.
He was able to see tiny particles that he called cellsLeeuwenhoek took observations of lake water = saw micro-molecules
→called animalcules at the timeAnton van Leeuwenhoek discovered red blood cells and protozoaLeeuwenhoek discovered spermatozoa + bacteriaMatthias Schleiden wrote “Contributions to Photosynthesis”
which said that plant parts are made of cellsSchleiden and Theodor Schwann stated that cells are “elementary
particles of organisms”/the basic structural unit of all living things.
FOUNDED CELL THEORYSchwann published a book which included animals in cell theory
(was built on Schleiden’s plant cell theory)Rudolph Virchow concluded that new cells come from already existing ones and
he launched field of cellular pathology
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