| Intro | German zoologist |
| Was |
Scientist Zoologist Geneticist Educator |
| From | Germany |
| Type |
Academia Biology Science |
| Gender | male |
| Birth | 15 September 1864, Hungary |
| Death |
19 December 1927, Halle (Saale) (aged 63 years) |
Ferdinand Carl Valentin Haecker (15 September 1864 – 19 December 1927) was a German zoologist, reader at Freiburg University from 1892. In 1900, he became professor at the University of Applied Sciences Stuttgart and in 1909 at Martin Luther University of Halle-Wittenberg. He was president of the Deutsche Zoologische Gesellschaft from 1922. He died unexpectedly from a stroke.
Haecker’s contributions span the fields of ornithology, plankton (Radiolaria) cell biology, developmental physiology, genetics (where he established the subfield of phenogenetics). He also published a historical treatise on Goethe’s work on morphology.