| Intro | 1874 bis 1957 Geburtsort Hamburg Sterbeort Neustadt (Holstein) Beruf/Funktion Physiker Konfession evangelisch Namensvarianten Martienssen, Oscar Martienssen, O. Martienssen, Oskar |
| Was |
Scientist Physicist |
| From | Germany |
| Type | Science |
| Gender | male |
| Birth | 1874 |
| Death |
1957 (aged 83 years) |