Central dogma

History of Central Dogma

By wizball2
  • Galileo invents compound microscope

    Galileo invents compound microscope

    Italian mathematician Galileo Galilei perfects his compound microscope invention and catalogs his observations of insects and the stunning geometric patterns found on their eyes.
  • Hooke discovers the cell

    Hooke discovers the cell

    Englishman Robert Hooke uses his compound microscope to make diagrams of dead cork cells. He called them cellulae, meaning "little room".
  • Antony van Leeuwenhoek

    Antony van Leeuwenhoek

    In 1674, Dutch Antony van Leeuwenhoek discovered "animacules" and was the first to witness many organisms in the Archae and Protista domains.
  • Brown identifies center of cell as nucleus

    Brown identifies center of cell as nucleus

    Scottish biologists Robert Brown notes the opaque part of a cell and names it the nucleus.
  • Schleiden proposed that each cell develops independently

    Schleiden proposed that each cell develops independently

    German botanist Matthias Schleiden proposed that each individual cell develops individually either though it might be part of another animal.
  • Schwann agrees with Schleiden

    Schwann agrees with Schleiden

    German zoologist Theodor Schwann agreed with Schleiden that cells develop individually. The myelinated portion of a neuron cell is named after him.
  • Virchow discovers that each cell must come from another

    Virchow discovers that each cell must come from another

    German physiologist Rudolf Virchow concludes that every existing cell comes from another previously existing cell after observing mitosis and cytokinesis.