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The first cell was seen in a cork ,while the invention of telescopes. The first cell was discovered by Robert Hooke in 1665 , He remarked that it looked strangely similar to cellular or small rooms .

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he first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria.

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Robert Brown named the cell nucleus during studies of orchid tissue in 1833. In a reprise of Brown's epoch-making observations.

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1838 – Schleiden and Schwann proposed cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells .

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1858 – Rudolf Virchow (physician, pathologist and anthropologist) expounds his famous conclusion: omnis cellula e cellula, that is cells develop only from existing cells [cells come from preexisting cells

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1857 – Kolliker described mitochondria. They were often referred to as the powerhouses of the cell .

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1879 – Walter Flemming described chromosome behavior during animal cell division. Flemming was one of the first cytologists and the first to detail how chromosomes move during mitosis, or cell division. ... His terms, like prophase, metaphase and anaphase, are still used to describe the steps of cell division.