Cell theory

  • Period: 1848 BCE to

    Virchow

    In 1848 he stated that disease originated in cells by studying medicine.
  • Period: 1838 BCE to 1838 BCE

    Schleiden

    In 1838 he wrote Contributions to Phytogenesis. He said that different parts of plants are made of cells.
  • Period: 1837 BCE to 1839 BCE

    Schwann

    In 1838 he concluded that all things are made of cells by studying animals.
  • Period: 1833 BCE to 1833 BCE

    Brown

    In 1833 he discovered the nucleus in plant cells. He proved how the molecules in a cell function.
  • Period: 1674 BCE to 1674 BCE

    Leeuwenhoek

    In 1674 he was the first to discover bacteria cells by looking at a drop of pound water. He also proved that it is better to use compound microscopes,
  • Period: 1665 BCE to 1665 BCE

    Hooke

    In 1665, Hooke discovered a cell by looking at a slice of cork through a microscope at 50x. He set a trend for other scientists to look at objects through microscopes.