According to Alan Frearson there is scholarly consensus in favour of
Sir Philip Francis; he divides the evidence into four classes, and reports that each class "points most strongly to Francis". This scholarly theory has been called the "Franciscan theory", at least since
Abraham Hayward's
More about Junius: The Franciscan theory unsound (1868). Numerous subsequent publications have been written by those sceptical about the identification with Francis.
John Cannon, editor of an edition of the
Letters published in 1978, adhered to the Franciscan theory. As
Francesco Cordasco puts it, "while the Franciscan theory has recently enjoyed new life, it remains contested and impossible to demonstrate categorically". ==Early guesses==