Important discoveries

YEAR	SCIENTIST NAME	DISCOVERY
	Anton Von Leeuwonhoek	described a live cell
1831	Robert Brown	nucleus of a cell
1838	Mathhias Schleiden	all plants are composed of different kind of cells
1839	Schwann	reported the plasma membrane
1855	Rudolf Virchow	new cells arises from pre-existing cells.
1898	Camillo Golgi	golgi bodies
1953	George Palade	ribosomes
1972	Singer and Nicolson	fluid mosaic model