write the contribution of Robert hook ,shleiden and shawaan
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Answer:
Robert Hooke FRS (/hʊk/; 28 July [O.S. 18 July] 1635 – 3 March 1703) was an English scientist, architect, and polymath, who, using a microscope, was the first to visualize a micro-organism.[2] An impoverished scientific inquirer in young adulthood, he found wealth and esteem by performing over half of the architectural surveys after London's great fire of 1666. Hooke was also a member of the Royal Society and since 1662 was its curator of experiments. Hooke was also Professor of Geometry at Gresham College.
Answer:
Robert Hooke (1635–1703) was the first to describe cells based upon his microscopic observations of cork. ... Schleiden believed that cells formed through crystallization, rather than cell division. Theodor Schwann (1810–1882), a noted German physiologist, made similar microscopic observations of animal tissue.