Jaap van Praag

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Jaap van Praag

Jacob Philip (Jaap) van Praag (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. He was its chairman from 1946 to 1969. And, from 1954 to 1974, he was a member of a provincial Executive.

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.

Name confusion[edit]

There was another Jaap van Praag who lived in the same period (Amsterdam, 10 July 1910 – Amsterdam, 7 August 1987). This Jaap van Praag was chairman of Dutch football club AFC Ajax from 1964 to 1978.


  • Biography by Pieter Edelman in the Encyclopedie van het Humanisme (in Dutch).