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Exstension
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Invention of the worlds first compund microscope
Zacharias and Hans Janssen invent the world's first compound microscope. -
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Cell Theory Devolopment
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Robert Hooke
1665: English Scientist and Microscopist Robert Hooke described a honeycomb-like network of cellulae (Latin for little storage rooms) in cork slice using his primitive compound microscope. Robert Hooke used the term cells to describe units in plant tissue (thick cell walls could be observed). Of course he saw only cell walls because cork cells are dead and without protoplasm. He drew the cells he saw and also coined the word cell. The word cell is derived from the latin word cellula which means -
Anton
first to witness a live cell under a microscope was Antonie van Leeuwenhoek, who in 1674 -
Robert Brown
He for one invented the microscopesand was given its name in 1831 -
Schwann and Schleidan
In 1839, Schwann and Schleiden suggested that cells were the basic unit of life