next year to learn about new technologies that had been developed there during World War II.

Van Wijngaarden was intrigued by the new idea of automatic computing. On 1 January 1947, he became the head of the Computing Department of the brand-new Centrum Wiskunde & Informatica (CWI), which was at the time known as the Mathematisch Centrum (MC), in Amsterdam. He then made further visits to England and the United