Complex sentence: Alan Leo, born William Frederick Allan, (Westminster, 7 August 1860-Bude, 30 August 1917), was a prominent British astrologer, author, publisher and theosophist, and is considered by many to be the father of modern astrology.
Split into simpler sentences: Alan Leo, born William Frederick Allan, (Westminster, 7 August 1860-Bude, 30 August 1917), was a prominent British astrologer, author, publisher and theosophist. He is considered by many to be the father of modern astrology.