sentences:  He became a doctoral student of the celebrated 'realist' jurist Karl Olivecrona in the 1940s but, as a left-leaning liberal, soon fell out with his supervisor over Olivecrona's authoritarian politics and vocal support in the war years for Nazi Germany's hegemony in Europe.He was professor of civil law at Lund University from 1950 to 1972 and rector of the university through the turbulent years of the late 1960s.His publications set the dominant orientation of Swedish sociology of law, and he supervised generations of research students in the subject.