Cell Theory Timeline

Robert Hooke looked at dead cells through a microscope.

Matthias Jakob Schleiden Discovers plants are made of cells.

Theodor Schwann Discovers Animals are made of cells.

Rudolf Virchow discovers all cells come from prexisting cells.

Zacharius Janssen is believed to have made the first cell.

Antonie van Leeuwenhoek observes the first living cell.

Robert Brown discovered the nucleus of a plant cell.

Albrecht von Roelliker discovered that sperm and egg are both reproductive cells.

Carl Heinrich Braun reworked the cell theory calling cells the basic units of life.

Francesco Redi formed an experiment that he thought proved the spontaneous Generation theory which says that all living organisms come from inaminate matter.

the scanning electron microscope is invented.