German botanist (1838-1903).
Heinrich Carl Haussknecht (30 November 1838 – 7 July 1903) was a German pharmacist and botanical collector who was a native of Bennungen, Sachsen-Anhalt. Trained as a pharmacist, Haussknecht is remembered for collecting and describing numerous species of plants. His botanical explorations took place in Thuringia, Lower Saxony, Greece and the Middle East (the present-day nations of Turkey, Syria, Iraq, Iran), where he discovered, among others Tulipa aleppensis. He established a large herbarium in Weimar, which after his death was placed under the supervision of Joseph Friedrich Nicolaus Bornmül