Letter from Ross [Winthrop] Gilbert, Route A, Box 73, Fresno, California, to Mr [William Bate] Hardy, Royal Society, Burlington House, London, W.1 Following up on the status of his and Mabel Crawley Gilbert's thesis relative to the etiology of neoplastic growths, theorising upon the principles of Othopeutic Descent. Appended is a variety of letters: 1) Copy of an acknowledgement of receipt of Gilbert's letter, dated 4 June 1923. 2) An internal Royal Society letter from the Secretary to Professor [Ernest William] MacBride stating that the thesis is "rubbish", asking whether MacBride can "discover a fragment worth preserving", dated 4 June 1923. 3) A letter to William Bate Hardy from Macbride commenting on the thesis, referring to it as "most awful tosh I have ever read", proceeding to highlight the lack of scientific expertise, dated 7 June 1923. 4) Copy of an outgoing letter from the Royal Society to Gilbert informing him that it is unsuitable for publication by the Royal Society, dated 11 June 1923. 2 June 1923