Autograph Letter Signed, to Thomas Winkworth at the Gresham Club, hoping his professional commitments will allow him to accept the invitation, when “I shall have great pleasure in sitting at your elbow on the occasion”. 1 page 7 x 4½ inches, with the original envelope. Royal Society, 16 July 1850. John Bishop F.R.S. (1797-1873), surgeon, author of The Physiology of the Human Voice, and many related papers.