Ralph Kronig | |
|---|---|
 Ralph de Laer Kronig (1904–1995) | |
| Born | 10 March 1904 |
| Died | 16 November 1995 (aged 91) |
| Nationality | German |
| Citizenship | United States Germany |
| Alma mater | Columbia University |
| Known for | Discovery of particle spin Kronig structure Kronig–Penney model Coster–Kronig transition Kramers–Kronig relations |
| Awards | Max Planck Medal (1962) |
| Scientific career | |
| Institutions | Columbia University TU Delft |
| Doctoral advisor | Albert Potter Wills |
| Other academic advisors | Wolfgang Pauli |
Ralph Kronig (10 March 1904 – 16 November 1995) was a German physicist. He is noted for the discovery of particle spin and for his theory of X-ray absorption spectroscopy. His theories include the Kronig–Penney model, the Coster–Kronig transition and the Kramers–Kronig relations.