Robert Luther

Karl Theodor Robert Luther (16 April 1822, Świdnica – 15 February 1900 Düsseldorf), normally published as Robert Luther, was a German astronomer. While working at the Bilk Observatory in Düsseldorf, Germany, he searched for asteroids and discovered 24 of them between 1852 and 1890. Seven times Lalande Prize winner. Provided by Wikipedia