what was theodor schwann's contribution to cell theory
Theodor Schwann (7 December 1810 – 11 January 1882) was a German physiologist. His many contributions to biology include the development of cell theory, the discovery of Schwann cells in the peripheral nervous system, the discovery and study of pepsin, the discovery of the organic nature of yeast, and the invention of the term metabolism. Early life
1838 Matthias Schleiden-First to observe and report that all plants were composed of cells. 1839 Theodore Schwann-First to observe and report that all animals were composed of cells. Theodore Schwann and Schleiden are attributed to the first two points of the Cell Theory.