Frank Homer Curtiss

Frank Homer Curtiss was a 20th-century American writer and foundation executive who co-founded the spiritual order 'The Order of Christian Mystics' (originally 'The Order of the Fifteen') with his wife Harriette Augusta in 1908, aiming to blend Theosophy with traditional Christian doctrine. He authored works such as 'Key to the Universe' and was involved in early spiritual and philosophical movements in the Western world.