Hints at the idea that the cell is the basic component of living organisms emerged well before 1838–39, which was when the cell theory was ... (1815–1865), Rudolf Virchow (1821–1902) and ...

"Only this old gun and a rusty sabre." "Out with them! Off to the barricade!" 1 Thus, Rudolf Virchow, twenty-seven years of age, rushed off to build barricades and to oppose, with only a pistol ...