- Category : 1861-births
- Type : PSP
- Profile : 1/3 - Investigating / Martyr
- Definition : Single
- Incarnation Cross : RAX Service 4
German physicist and geophysicist who made many contributions to both fields, including presenting the first verifiable model of a layered structure of the Earth and being among the first to discover the electron. He went on to become the world's first Professor of Geophysics at the University of Göttingen.
He died on 19 March 1928, aged 66, in Göttingen.