Carl Wilhelm Sem Jacobsen
- Category : 1912-births
- Type : MGP
- Profile : 5/1 - Heretical / Investigator
- Definition : Single
- Incarnation Cross : LAX Separation 2
Norwegian physician. He built up an electroencephalography laboratory at Gaustad hospital to see whether the electrical activities of the brain could be used in diagnosis work and in the therapeutic treatment of psychiatric conditions.
Sem-Jacobsen died on 21 July 1991 in Bærum, Norway, aged 78.