The Cell Theory

  • Hans & Zacharias Janssen

    Invented a type of microscope
  • Robert Hooke

    Saw and described cork cells
  • Anton van Leeuwenhoek

    Discovered single celled organisms
  • Rene Dutrochet

    Stated that all plants and animals are made of cells
  • Robert Brown

    Discovered the nucleus in a cell
  • Theodore Scwaan

    Proposed that cells are the basic building blocks of life
  • Howard Florey (Australian!)

    Made the first antibiotic (penicillin)