Cell Theory

  • Robert Hooke

    Wrote a book calleed "Micrographia", in which he wrote about his discovery of "cella", or cells, that he saw in the cork.
  • Anthony van Leeuwenhoek

    He observed algae and many swimming "animalcules" in a drop of water. Because of his discoveries, he is often referred to as the father of microbiology.
  • Charles-Francois Brisseau de Mirbel

    He was a French botanist who observed that plants are made up of cells that form a continuous membrane. He is known as the founder of cytology.
  • Jean-Baptiste Lamarck

    He was a French soldier and professor who observed that all living things are made up of cellular tissue.
  • Robert Brown

    He was a Scottish botanist who named the cell nucleus while viewing orchid epidermal cells. He also discovered the movement of certain cells suspended in a liquid, otherwise known as Brownian movement.
  • Matthias Schleiden

    He was a German botanist who began to formulate the Cell Theory for plants. He proposed that all plants are composed of cells and the cell is the most basic unit of plant life.
  • Theodor Schwann

    He was a German physiologist who discovered cells that surround and protect the axons of nerve cells, today known as Schwann cells. He applied Cell Theory to plant and animals, and he stated that all cells are organisms, all organisms consist of one or more cells, and the cell is the basic unit of structure for all organisms.
  • Rudolf Virchow

    He was a German doctor who was the first to recognize Leukemia. He recognized the cell as the basic unit of structure and function in all living things. He is known for his theory, "Omnis cellula e cellula" or "every cell originates from another existing cell like it".