He and Theodor Schwann came up with the 3 statements of cell theory.He and Theodor Schwann came up with the 3 statements of cell theory.
This was in 1838. See the related link for more information.
Assuming the person in question is Saint Matthias, He died c.80AD, Jerusalem or in Colchis [Modern-day Goergia] and according to Hippolytus of Rome, Matthias died of old age in Jerusalem.
A. cult leader