Johann Friedrich Theodor MÃ 1 \ / 4 ller -LRB- 31 March 1821 -- 21 May 1897 -RRB-, always known as Fritz, was a German biologist and physician who emigrated to southern Brazil, where he lived in and near the German community of Blumenau, Santa Catarina.
Fritz MÃ 1 \ / 4 ller -LRB- 31 mars 1821 â '' 21 May 1897 -RRB-, Ã © tait un biologiste et un mÃ © decin allemand qui est allÃ © dans le sud du BrÃ © sil.