Friedrich August Theodor Winnecke
He discovered or co-discovered a large number of comets, including the periodic comet 7P/Pons-Winnecke and the comet once known as "Pons-Coggia-Winnecke-Forbes" but later renamed to 27P/Crommelin after Andrew Crommelin, who computed its orbit.
- Frommert, Hartmut; Kronberg, Christine. "Friedrich August Theodor Winnecke (February 5, 1835 - December 3, 1897)". THE MESSIER CATALOG. Students for the Exploration and Development of Space. Retrieved 6 October 2012.