history of biologly By victoria15710 Jul 27, 1653 robert hooke 1st to describea cell Apr 5, 1804 matthis schlieden german botanist and co founder of cell thery Dec 7, 1810 theodor schwann german physiologist Oct 13, 1827 rudolf virchow cell theory Apr 28, 1947 James Watson codiscovery of DNA Dec 28, 1966 Kary Mullins developed DNA PCR amplification.