Back رالف كرونيج ARZ هارتلی کرونیق AZB Ralph Kronig German Ralph Kronig Spanish هارتلی کرونیگ Persian Ralph Kronig French Ralph Kronig ID ラルフ・クローニッヒ Japanese Ralph Kronig Dutch Ralph Kronig Portuguese
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.