What is "sepharial"

Dr Walter Gorn Old, born 20 March 1864 in Handsworth, England; died 23 December 1929 in Hove, England) was a notable 19th-century astrologer, who used the nom-de-plume "Sepharial", after an angel in the apocryphal Book of Enoch.

An eminent English Theosophist, Sepharial was a well-known and respected astrologer in the late 19th and early 20th centuries and wrote numerous books, some of which are still highly regarded in some circles today. He was editor of " Old Moore's Almanac", which is still published in the 21st century.