Gallio

John William Navin Sullivan (1886–1937) was an English popular science writer and literary journalist, and the author of a study of Beethoven. He wrote some of the earliest non-technical accounts of Albert Einstein's General Theory of Relativity, and was known personally to many important writers in London in the 1920s, including Aldous Huxley, John Middleton Murry, Wyndham Lewis, Aleister Crowley and T. S. Eliot.