1839: Theodor Schwann[61] and Matthias Jakob Schleiden elucidated the basic principle that plants and animals are created of cells, concluding that cells are a typical device of composition and growth, and therefore founding the cell theory. Cell Differentiation: Stem cells have the chance to differentiate into different specialised cell sorts, https://maps.app.goo.gl/UmD5JM5ww6NgkMzV9