I think in Rateliff's History of the Hobbit there is a mention that Tolkien decided Radagast hadn't failed.I must try and find it.
as for the Blue Friars..there is some sort of society of Masonic authors. i have seen some speculation of msonic references in Tolkien's work ut i dont remember rading ever that Tolkien was a mason himself.
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“But Finrod walks with Finarfin his father beneath the trees in Eldamar.”
Christopher Tolkien, Requiescat in pace
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