- Danish philosopher and theologian.
- Wrote both popular and academic books on philosophy, ethics, and religion.
- His books include:
- *Dydens etik* (1966; The Ethics of Virtue).
- *Filosofiens historie* (1970–71; A History of Philosophy).
- *Retfærdighed* (1974; Justice).
- *Livsanskuelse og livsførelse* (1979; Outlook on Life and Lifestyle),
- *Religionens formål* (1983; The Purpose of Religion).
- *Det ondes problem* (1990; The Problem of Evil).
- *Livets mening* (1995; The Meaning of Life).
- *Kristendommen og det moderne menneske* (2001; Christianity and Modern Man).
- *Etikkens historie* (2006; History of Ethics).