Wikipedia Biography
Montagu Christie Butler (25 January 1884 – 5 May 1970) was a British academic, librarian, lexicographer, musician, and Esperantist. A winner of several prizes at the Royal Academy of Music in London, he was a harpist and a versatile music teacher skilled in playing various musical instruments, as well as a teacher of voice and of musical composition. As a quaker and absolute pacifist, Butler was classed as a conscientious objector during World War One. He served time in prison, where he met the composer and fellow prisoner Frank Merrick, helping him learn Esperanto.
Wikipedia Biography