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
Elisabeth Kuyper In 1908 she formed a women's choir at the . In 1910 she formed and conducted the Berlin Women Musicians' Orchestra. For the convention of the International Council of Women held in The Hague in 1922, Kuyper assembled an orchestra and choir and led them in the performance of her Festival Cantata. After which, and with the encouragement of Lady Ishbel Aberdeen, Kuyper moved to London in 1923, where she founded the London Women's Symphony Orchestra. In 1924 she founded the American Women's Symphony Orchestra in New York City. In 1925 Kuyper returned to Europe and her teaching position at