Eckenstein, Lina Dorina Johanna (1857–1931), feminist polymath and cultural historian, was born on 23 September 1857 at 17 St George's Villas, Islington, London, the daughter of Frederick Gottlieb Eckenstein (1820/21–1891), a German businessman, and his wife, Julie Amalie Antonia Helmke (1830/31–1921). One of six children, her younger brother was the mountaineer ...