-
Zacharias Janssen invented the telescope
-
Robert Hooke discovered plant cells
-
Anton Leewenhoek was the first ever to observe a single celled organism through a microscope
-
Matthias Schleiden declared that the cell is the basic building block of all plant matter
-
Theodore Schwann devolped cell theory
-
Rudolph Virchow proved cell theory applied to diseased tissue
