Hans and Zacharias Janssen
1600-Dutch Lens Grinders-Father and son that created the first compound microscope.
1665-English Scientist-Looked at cork under a microscope and observed room-like structures and named the cells, but he only saw the outside of the cell because cork cells are not alive.
Anton van Leeuwenhoek
1680-Dutch Fabric Merchant and Amateur Scientist-Looked at blood, rainwater, and scrapings from teeth through simple microscopes; observed living things and named them animalcules, now called bacteria.
1837-German Botanist-Viewed plants under microscopes and discovered that plants are made of cells.
1840-German Zoologist-View animal parts under microscope and discovered that animal parts are made of cells.
1850-German Physician-Stated that all living cells come from only other living cells.