Sir Gerald Ponsonby Lenox-Conyngham Kt FRS FRAS[1] (21 August 1866 – 27 October 1956) was an Irish surveyor and geodesist. He was the last superintendent of the Great Trigonometrical Survey from 1912 to 1921, and was reader in geodesy at the University of Cambridge from 1922 to 1947.
- ^ "Preface". Monthly Notices of the Royal Astronomical Society. 62 (6): 433. April 1902.