Cell Theory By Shawn'Ya Dixon Oct 9, 1595 Hans and Zacharias Janssen produced the first mocroscope combinding 2 leses within a tube. Oct 10, 1626 Redi stated that all likving things didn't come from just any kind of generation. Oct 8, 1655 Hooke described cells in cork Oct 9, 1665 Robert Hooke discovered the cellular composition of cork and introduced the word cell to science. Oct 10, 1674 Anton van Leeuwenhoek made the microscopes easier to see out of by polishing the lenses. Oct 11, 1674 Leeuwenhoek discovered protozoa. He saw bacteria about 9 years later. Oct 10, 1676 Anton van Leeuwenhoek made up animacules Oct 10, 1683 Anton van Leeuwenhoek found that you have bacteria and that was discovered by the saliva from his mouth Oct 4, 1833 Brown descibed the cell nucleus in cells. Oct 10, 1838 Matthias Schleiden found that plant were made up of cells. Oct 9, 1839 The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. Oct 10, 1839 Theodor Schwann found that animals are made up cells. Oct 10, 1855 Rudolph Virchow said that all living things, came from other living things. Oct 7, 1857 Kolliker described mitochondria Oct 10, 1869 Miescher isolated DNA for the first time. Oct 10, 1998 Mice are cloned from somatic cells. Oct 10, 2000 Human genome DNA sequence draft.