[2] Fawcett converted to Buddhism, having taken the pansil (the lay follower vow to the Five Precepts) while with Henry Steel Olcott in Ceylon (modern Sri Lanka) in January 1890.
[3][4][5] He was an associate of Russian occultist Helena Blavatsky, leading theoretician of the esoteric religious movement Theosophy.
He assisted her in her writing and in compiling quotations from scientific works for The Secret Doctrine[6] and particularly the parts of second volume on the topic of evolutionary hypotheses.
[7] Fawcett joined the editorial staff of The Theosophist, the monthly journal of the Theosophical Society[8] and wrote correspondence for the magazine Lucifer.
(1893) The Riddle of the Universe: Being an Attempt to Determine the First Principles of Metaphysic[19] (1894) Swallowed by an Earthquake[20] a subterranean fiction adventure about the discovery of an underground world of dinosaurs and cannibals.