Jan Hendrik van Grootvelt 1808–1855 Source: Wikimedia Commons About Jan Hendrik van Grootvelt Dutch drawer and painter (1808–1855) People from the Same Era Martin R. Delany 1812–1885 abolitionist, journalist, novelist, physician, writer Charles Town Joseph Hall Hathaway 1812–1889 politician William Dyce 1806–1864 painter, university teacher Aberdeen Christian Köhler 1809–1861 painter Werben Oren B. Cheney 1816–1903 politician Holderness František Cyril Kampelík 1805–1872 economist, national revival activist, physician, writer Syřenov