| Authorised form of name | Ridley; Henry Nicholas (1855 - 1956) | 
| Dates | 1855 - 1956 | 
| Date of birth | 10 December 1855  | 
| Date of death | 24/10/1956 | 
| Activity | Education:  MA  Honours:  CMG 1911  Memberships:  FLS; FSA
  | 
| Membership category | Fellow | 
| Date of election | 02/05/1907 | 
| Source | Sources:  Bulloch's Roll Obituaries:  Biographical Memoirs of Fellows of the Royal Society 1957 vol 3 pp 141-159, plate, by E J Salisbury | 
| Virtual International Authority File | https://viaf.org/viaf/112649465/ | 
| Code | NA1775 | 
Archives associated with this Fellow
| RefNo | Title | Date | 
| EC/1907/15 | Ridley, Henry Nicholas: certificate of election to the Royal Society |  | 
| IM/003827 | Ridley, Henry Nicholas | 1928 | 
| IM/003826 | Ridley, Henry Nicholas | 1922 | 
| NLB/2/358 | Copy letter from Herbert Rix, to Professor Michael Foster | 11 May 1888 | 
| RR/22/9 | Referee's report by Henry Nicholas Ridley, on a paper 'Analyses of agricultural yield. Part II - The showing-date experiment with Egyptian cotton, 1913' by William Lawrence Balls | May 1915 | 
| NLB/57/770 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to HN [ Henry Nicholas] Ridley Esq, FRS, CMG, Acting Chairman of the Botany Sectional Committee | 2 February 1920 | 
| MC/14/321 | Letter from Henry [Nicholas] Ridley, British Museum (Natural History), Cromwell Road, London, to the Royal Society | [May 1888] | 
| MC/14/184 | Letter from Henry [Nicholas] Ridley, British Museum (Natural History), London, to the Royal Society | 21 January [1887] | 
| MC/14/179 | Letter from [Herbert Hall] Turner, Royal Observatory, Greenwich, to the Treasurer of the Royal Society | 8 January 1887 | 
| MC/14/342 | Letter from [Henry Nicholas] Ridley, British Museum (Natural History), Cromwell Road, London, to the Royal Society | 9 August 1888 | 
| MC/14/4 | Letter from Henry Nicholas Ridley, British Museum, to the Treasurer of the Royal Society | 10 January 1885 | 
| NLB/1/349 | Copy letter from Herbert Rix, to Herbert Hall Turner, Royal Observatory, Greenwich | 11 January 1887 | 
| MC/14 | Volume 14 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1885-1888 |