Question

Who discovered cell, how and when?

Answer 1

The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.
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Answer 2

Robert Hooke first discovered the cell in 1665. Though what he actually saw was dead cells of cork.

Anton Von Leeuwenhoek first saw and discribed a living cell.