Karl Theodor Robert Luther, 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.
- Occupation
- astronomer, discoverer of asteroids
- Position held
- Q106887411
- Citizenship
- Kingdom of Prussia
- Born
- April 16, 1822
- Died
- February 15, 1900