- Category : 1925-births
- Type : ME
- Profile : 3/6 - Martyr / Role Model
- Definition : Split - Small (21)
- Incarnation Cross : RAX Rulership 3
Norwegian sociologist and professor at the University of Oslo from 1971 to 1989. He was one of the pioneers of Norwegian social research and is considered, together with Harriet Holter, the founder of Norwegian family sociology.
Grønseth died on 13 September 2005 in Oslo, Norway, aged 80.