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Robert Hooke
produced microsopical observations. -
Anton Van leeuwenhoek
He worked and improved on the microsope. He described cells in a drop of pond water using a microsope. -
Theodor Schwann
Discovered the digestive enzyme pepsino. -
Mathias Schleiden
His methods had led him to propose cell theory for plants. he was the first to reconize cells as fundamental units of life. -
Rudolf Virchow
He stated that all living things arrive from pre existing cells. -
Lynn margulis
She was best known for her theory on the origin of eukaryotic organelles.
