-
Hans and Zacharias Janssen
Hans and Zacharias Janssen make the microscope -
Robert Hooke
Robert Hook discovers celles -
Anon van Leeuwenhoek
Leeuwenhoek began writing to the Royal Society of London about his observations through microscopes -
Anton van Leeuwenhoek
Leeuwenhoek becomes a member of the Royal Society of London -
Matthias Schleiden
Matthias Schleiden observes that all plants are made up of cells -
Theodor Schwann
Theodor Schwann adds to Matthias Schleiden's theory, observing animals are also made up of celles -
Rudolph Virchow
Rudolph Virchow summarizes cell theory as "all cells arise from cells"
