Abraham Kuyper as "the physical basis for all higher development" in the Stone Lectures (1898). Harinck argues that "Kuyper was not guided by the cultural racism of his day, but by his Calvinistic creed of human equality". Kuyper's legacy includes a granddaughter, Johtje Vos, who is noted for having sheltered many Jews in her home in the Netherlands from the Nazis. After World War II she moved to New York City. Conversely, Kuyper's son Professor H. H. Kuyper, a supporter of Afrikaner Nationalism and colour racism, was a wartime Nazi collaborator and his grandson joined the Waffen SS and died on the
Abraham Kuyper was also heavily involved in foreign policy, giving him the nickname "Minister of Foreign Travels". In 1905, his ARP lost the elections and was confined to opposition. Between 1905 and 1907, Kuyper made a grand tour around the Mediterranean. In 1907, Kuyper became honorary doctor at the Delft University of Technology. In 1907, he was re-elected chair of the ARP, a post which he would hold to his death in 1920. In 1907, Kuyper wanted to return to parliament. In a by-election in Sneek he needed the support of the local CHU. They refused him support. This led to a