レオポルト・フォン・ランケ
Ernst Constantin Ranke (10 September 1814, Wiehe – 30 July 1888, Marburg an der Lahn) was a German Protestant theologian; since 1850, a professor of church history. He was the brother of historian Leopold von Ranke (1795–1886), theologian Friedrich Heinrich Ranke (1798–1876) and philologist Karl Ferdinand Ranke (1802–1876).