Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, USA) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and disciple of Rudolf Steiner.
Massimo Scaligero, born Antonio Sgabelloni in Veroli, Italy (1906–1980) an Italian spiritual teacher, esotericist and anthroposophist.
Stein moved to London in 1933, at the invitation of the theosophist-turned-anthroposophist Daniel Nicol Dunlop.