Theodor Schwann 1810–1882 Source: Wikimedia Commons About Theodor Schwann German physiologist (1810–1882) People from the Same Era Helen Thoreau 1812–1849 Friedrich Brockhaus 1800–1865 publisher Dortmund Napoléon, comte Daru 1807–1890 politician former 10th arrondissement of Paris Charles Schefer 1820–1898 geographer, historian, translator Paris Benjamin Pitman 1815–1888 judge Salem William John Butterworth 1801–1856 British Governor of the Straits Settlements