cell history

Anton van Leeuwenhoek

Oct 10, 1647

Anton van Leeuwenhoek described cells in a drop of pond water using a microscope. He also was the first person to give a detailed description of red blood cells, sperm, bacteria and protozoa.

Robert Hook

Oct 10, 1663

Rober Hook in 1663, discovered calls in cork which he examined under his microscope. Also he observed cells dividing under microscopes.

Jakob Schleiden

Oct 10, 1831

Thus, Schleiden became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry. He ... recognised the importance of the cell nucleus , discovered in 1831 by the Scottish botanist Robert Brown , and sensed its connection with cell division .

Theodor Schwann

Oct 10, 1839

discovered that animals were made up of cells.

Rudolph Carl Virchow

Oct 10, 1855

Rudolph Ludwig Karl Virchow- 1855 Virchow’s most widely known contribution was that he found new cells could be produced only from division of existing cells. Rudolph Virchow suggested that all cells come from pre-existing cells. He stated that all living things come from other living things.

Robert Brown

Oct 10, 1858

1773-1858 Scottish botanist Robert Brown revolutionized cell theory with his discovery of the nuclei in many different types of plant tissue. He observed one "nucleus" in each cell.