Jan Hendrik Arnoldts 1808–1881 Source: Wikimedia Commons About Jan Hendrik Arnoldts politician People from the Same Era Dorothea Devrient 1805–1882 actor, child actor, opera singer, stage actor Kassel Ferdinand von Roemer 1818–1891 botanist, geologist, paleontologist, university teacher Hildesheim Abraham Rutgers van der Loeff 1808–1885 Christian minister Albert Kazimirski de Biberstein 1808–1887 arabist, emigration activist, lexicographer, linguist, opinion journalist, orientalist, translator, writer Korchów Pierwszy Franciszek Salezy Dmochowski 1801–1871 editor, journalist, literary scholar, poet, printer, publisher, translator Warsaw John Barrow Jr. 1808–1898 archivist, official, writer