Curuppumullage Jinarajadasa was a Ceylonese author, occultist, freemason and theosophist. The fourth president of the Theosophical Society, Jinarajadasa was one of the world's foremost Theosophical authors, having published more than 50 books and more than 1600 articles in periodicals during his life. His interests and writings included religion, philosophy, literature, art, science and occult chemistry. He was also a rare linguist, who had the ability to work in many European languages.

Alfred Percy Sinnett was an English author and theosophist.