Cell Theory by Cale

Microscope invented

Oct 11, 1590

Zacharis Jannson invents the first microscope which helped because you can only see cells with a microscope

First Cells Seen

Oct 11, 1663

Using a primitive version of a microscope Robert Hooke he saw some dead cells on a cork and using the latin word cella or small rooms because of the small compartments he called them cells.

First living cells seen

Oct 12, 1670

Using custom microscope lenses Anton van Leeuwenhoek sees the first living cells in some pond water

Center of cells seen

Oct 12, 1833

Matthias Jakob Schleiden discovers the nucleus of plant cells

Cell Theory Made

Oct 12, 1839

Theodon Schwann thought that both plants and animals are composed of cells and made a theory that said 1- all organisms are composed of at least one cell and 2- cells are the basic unit of structure and function for living things.

An Addition to the Cell Theory

Oct 12, 1855

Rudolf Virchow added to the cell theory that all cells only come from other cells.