Arnold Eucken | |
|---|---|
 Eucken, c. 1905 | |
| Born | 3 July 1884 |
| Died | 16 June 1950 (aged 65) |
| Nationality | German |
| Scientific career | |
| Doctoral advisor | Walther Nernst |
| Doctoral students | Manfred Eigen |
Arnold Thomas Eucken (3 July 1884 – 16 June 1950) was a German chemist and physicist. He examined the energy states of the Hydrogen atom and contributed to knowledge of the atomic structure. He also contributed to chemical engineering and process control through physical chemistry measurements for applications in industry.