Science/Bio Tech

  • Hans and Zacharias Janssen

    Hans and Zacharias Janssen
    Dutch lens grinders, father and son. Produced first compand mircroscope.
  • robert Hooke

    robert Hooke
    English Scientist, looked at a thin slice of cork (oak cork) through a compound microscope.observed tiny, hollow, roomlike structures.called these structures 'cells' because they reminded him of the rooms that monks lived in,only saw the outer walls (cell walls) because cork cells are not alive.
  • Anton Van Leeuwenhoek

    Anton Van Leeuwenhoek
    Dutch fabric merchant and amateur scientist.looked at blood, rainwater, scrapings from teeth through a simple microscope (1 lens).Observed living cells; called some 'animalcules'. Some of the small 'Animalcules' are now called bacteria.
  • matthias Schleiden

    matthias Schleiden
    German botanist, viewed plant parts under a microscope,
    discovered that plant parts are made of cells.
  • Theodor Schwann

    Theodor Schwann
    German zoologist
    viewed animal parts under a microscope
    discovered that animal parts are made of cells
  • Rudolph Virchow

    Rudolph Virchow
    German physican
    Stated all living cells come from other living cells