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Speculation that Walter Richard Cassels is the author surfaced in 1895 after his publication of a series of theological articles. Cassels however never publicly acknowledged his authorship of Supernatural Religion. Not much is known about his private life or how he became an early Christianity expert. He wrote poetry and was an art collector. Never married, he died in London on 10 June 1907.
 Walter Richard Cassels, London
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 Walter Richard Cassels, London