Sir John Betjeman, who attributed to Machen his conversion to High Church Anglicanism, an important part of his philosophy and poetry. Sylvia Townsend Warner (a niece of Machen's second wife, Purefoy) admired Machen and was influenced by him, as is his great-granddaughter, the contemporary artist Tessa Farmer. Machen was also a pioneer in psychogeography, due to his interest in the interconnection between landscape and the mind. His strange wanderings in Wales and London recorded in his beautiful prose make him of great interest to writers on this subject, especially those focusing on London, such as Iain Sinclair and Peter Ackroyd. Alan Moore wrote an exploration of Machen's mystical experiences in his work Snakes and Ladders. Aleister Crowley loved Machen's works, feeling they contained "Magickal" truth, and put them on the reading list for his students, though Machen, who never met him, detested Crowley. Other occultists, such as Kenneth Grant, also find Machen an inspiration. Far closer to Machen's personal mystical world view was his effect on his friend Evelyn Underhill, who reflected some of Machen's thinking in her highly influential book Mysticism. One chapter of the French best-seller The Morning of the Magicians, by L. Pauwels and J. Berger (1960), deals extensively with Machen's thought and works. Machen's approach to reality is described as an example of the "fantastic realism" which the book is dedicated to. Other fields In music, the composer John Ireland found Machen's works to be a life-changing experience that directly influenced much of his composition. Mark E. Smith of The Fall also found Machen an inspiration. Likewise, Current 93 have drawn on the mystical and occult leanings of Machen, with songs such as "The Inmost Light", which shares its title with Machen's story. Some artists on the Ghost Box Music label like Belbury Poly and The Focus Group draw heavily on Machen. It is an interest also shared by film directors like Mexican Rogelio A. González who made a successful version of "The Islington Mystery" as El Esqueleto de la señora Morales (1960), adapted by Luis Alcoriza, a frequent collaborator in Luis Buñuel's classic films. This interest in Machen's works among filmmakers is also shared by Guillermo del Toro and Richard Stanley. Other notable figures with an enthusiasm for Machen have included Brocard Sewell, Barry Humphries, Stewart Lee and Rowan Williams, Archbishop of Canterbury. Literary societies An Arthur Machen Society was established in 1948 in the