Herbert Stanley Redgrove (1887-1943) was a chemist who helped to form the Alchemical Society in London. His works include: On the Calculation of Thermo-Chemical Constants (1909), Alchemy: Ancient and Modern (1911), A Mathematical Theory of Spirit (1912), Experimental Mensuration (1912), The Magic of Experience (1916), Bygone Beliefs (1920), Purpose and Transcendentalism (1920) and Roger Bacon (1920). Это и многое другое вы найдете в книге Bygone Beliefs (Illustrated Edition) (Dodo Press)