Who Discovered the Cell Nucleus?

Who Discovered the Cell Nucleus?,
Article by Ricky,
BrightHub.com,

"The cell and the nucleus have been in existence for millions of years, but it was only when Robert Brown (1773-1858) came onto the scene that the world found out about the biological database that lies hidden in the cell nucleus"

Read more: http://www.brighthub.com/science/genetics/articles/23805.aspx