| Authorised form of name | Tennyson D'Eyncourt; Sir; Eustace Henry William (1868 - 1951); naval architect |
| Other forms of name | Sir Eustace Henry William Tennyson D' |
| Sir Eustace Henry William Tennyson |
| Other forms of surname | Eyncourt |
| D'Eyncourt |
| Dates | 1868 - 1951 |
| Nationality | British |
| Place of birth | Hadley House, Barnet, Hertfordshire, England |
| Date of birth | 01 April 1868 |
| Place of death | His business premises, 168 Ashley Gardens, Victoria, London, England |
| Date of death | 01/02/1951 |
| Dates and places | Burial: Brookwood Cemetery, London Necropolis, Brookwood, Surrey, England. |
| Occupation | Naval architect |
| Research field | Shipbuilding |
| Activity | Education:
Browning's School at Thorpe Mandeville, Northamptonshire; Charterhouse.
Career:
Apprenticed at the Elswick shipyard of Armstrong, Whitworth & Co (1880s); naval architect at the Fairfield Shipbuilding and Engineering Company, at Govan, Glasgow (1898); returned to Armstrong, Whitworth & Co (1902); undertook consultancy work for the Turkish government, reporting on the conditions of its navy, earning the Order of the Medjide (third class) (1904); director of naval construction with the Royal Navy, where he pioneered new forms of shipbuilding (1912); Chairman of the Landship Committee, a collaborative assembly of engineers and officers for the purpose of designing a vehicle capable of crossing No Man’s Land (1915); resigned from the Admiralty (1924); rejoined Armstrong, Whitworth & Co (1924); joined the board of Parsons Marine Steam Turbine Company (1928-1948); retired to Carters Corner Farm, near Halisham, Sussex (1948).
Memberships:
North-East Coast Institution of Engineers and Shipbuilders (President 1925-1927).
Royal Institution of Naval Architects (VP 1916 and honorary VP 1935).
French Académie de Marine
Honours:
CB 1915; KCB 1917; Bt 1930 |
| Membership category | Fellow |
| Date of election | 12/05/1921 |
| Age at election | 53 |
| Proposer | Joseph John Thomson |
| Henry John Oram |
| Alan Archibald Campbell Swinton |
| John Isaac Thornycroft |
| George Beilby |
| Henry Selby Hele Shaw |
| Ernest George Coker |
| [John William Strutt] Rayleigh |
| Henry Bradwardine Jackson |
| Robert Edmund Froude |
| Herbert Jackson |
| Joseph Petavel |
| W E Daldy |
| Richard Threlfall |
| Richard Tetley Glazebrook |
| Dugald Clerk |
| Relationships | Parents: Louis Charles Tennyson-D'Eyncourt (1814–1896), metropolitan magistrate, and Sophia (d. 1900), daughter of John Ashton Yates, of Dinglehead, Lancashire.
Spouse: Janet, daughter of Matthew Watson Finlay of Langside, near Glasgow (1898).
Children: One son and one daughter. |
| General context | Celebrated for the design and construction of some of the most famous British warships.
Chaired the Landship Committee which produced the first military tanks to be used in warfare. |
| Royal Society Obituary or Memoir | Click to view (may be contained within a meeting notice, presidential address or list of death notices) |
| Sources | Sources:
Bulloch's Roll; DNB
Obituaries:
Obituary Notices of Fellows of the Royal Society 1950-1951 vol 7 pp 341-354, plate, by C S Lillicrap |
| Royal Society code | NA1156 |
| Reference number | Title | Date |
| MS/525/6/4/11 | Lettre from Eustace Henry William Tennyson d'Eyncourt, Admiralty, to Dugald Clerk, 57 & 58 Lincoln's Inn Fields | 8 June 1915 |
| EC/1921/12 | Tennyson D'Eyncourt, Sir Eustace Henry William: certificate of election to the Royal Society | |
| NLB/57/603 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Eustace Tennyson-D'Eyncourt, FRS, KCB | 15 December 1919 |
| NLB/57/593 | Copy letter from Sir James Hopwood Jeans, Secretary of the Royal Society; to the Director [Sir Joseph Ernest Petavel, FRS, KBE], the National Physical Laboratory | 12 December 1919 |
| MS/928/6/2/27 | Letter from Sir Eustace Henry William Tennyson d'Eyncourt, Carters Corner Farm, Hailsham, Sussex, to Geoffrey Vernon Boys | 23 February 1944 |
| NLB/71/814 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Eustace Tennyson d'Eyncourt K.C.B., FRS | 6 November 1928 |
| NLB/71/585 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Eustace Tennyson d'Eyncourt, K.C.B., FRS | 13 July 1928 |
| NLB/69/792 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Eustace Tennyson d'Eyncourt, K.C.B., FRS | 18 October 1926 |
| NLB/71/596 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Miss G. Burns, SW1 | 17 July 1928 |
| NLB/71/70 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Eustace Tennyson d'Eyncourt, K.C.B., FRS | 20 December 1927 |
| NLB/71/835 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Eustace Tennyson d'Eyncourt K.C.B., FRS | 12 November 1928 |
| MS/525/6/4/1 | Memorandum from Eustace Henry William Tennyson-d'Eyncourt, Director of Naval Construction, Admiralty, to the Royal Society War Committee | 15 November 1914 |
| IM/001147 | Tennyson D'Eyncourt, Eustace Henry William | nd |
| NLB/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |