A History of Cell Biology By richharr Period: Oct 23, 1500 to Oct 23, 2005 A History of Cell Biology Nov 18, 1665 Robert Hooke examines cork cells with one of the first microscopes Nov 17, 1674 van Leeuwenhoek witnesses live plant cells and describes protozoa Nov 17, 1833 Brown describes the nucleus of a cell Nov 17, 1839 Schleiden and Schwann propose the cell theory - a cornerstone of biological doctrine Sep 1, 1857 Kolliker describes mitochondria May 1, 1858 Virchow announces that cells develop only from other cells. Nov 17, 1879 The behavior of chromosomes during cell division is described. Nov 17, 1939 first transmission electron microscope produced Aug 4, 1951 first continuous cell line is cultured Sep 10, 1998 mice are cloned from somatic cells
