Jaap van Praag

Jacob Philip "Jaap" van Praag (Dutch pronunciation: [ˈjaːkɔp ˈfilɪp ˈjaːp fɑm ˈpraːx]; born 11 May 1911 in Amsterdam – died 12 April 1981 in Utrecht) was a Dutch humanist who played a prominent role in establishing the Dutch Humanist League.

Van Praag was one of the first professors in Humanist studies in University of Leiden (1964–1979).

He played a major role in the founding of the International Humanist and Ethical Union and was its chairman from inception in 1952 until 1975.

There is another Jaap van Praag, his namesake, a football administrator and former chairman of local football club Ajax Amsterdam with whom he is often confused.

In addition both played a role in broadcasting for the VARA.