When Wittgenstein submitted the Tractatus as his doctoral dissertation, G. E. Moore is reputed to have sent in an examiner’s report including the words, “It is my personal opinion that Mr. Wittgenstein’s thesis is a work of genius; but, be that as it may, it is certainly well up to the standard required for the Cambridge degree of Doctor of Philosophy. ‘”

Allan Janik and Stephen Toulmin Wittgenstein’s Vienna p20