History of The Cell and The People
By Sheridan Smith
Theodor Schwann was a German physiologist. Theodor was born in Neuss and he died January 11, 1882. Theodor found out that all plants are composed of cells.
Rudolph Virchow was a German doctor, anthropologist, pathologist, biologist, and more. Rudolph was born October 13, 1821.
Matthias Schleiden was a German botanist and the co-founder of the cell theory. Matthias was born April 5, 1804 and he died June 23, 1881.