Early life and education
George Louis St Clair Bambridge was born in 1892 to George Frederick Bambridge and Ada Henrietta (née Baddeley). George Frederick Bambridge was the private secretary of Alfred, Duke of Saxe-Coburg and Gotha and the son of photography pioneer William Bambridge; his mother was the daughter of Major John Fraser Loddington Baddeley, an officer of the Royal Artillery and later of the Royal Gunpowder Factory, Waltham Abbey. Following the deaths of his mother (in 1896) and his father (in 1898), Bambridge was brought up in the family of Cecil Floersheim, the husband of George's mother's sister. He was educated at Eton.
At the start of the Great War, Bambridge applied for and received a commission, initially as a 2nd Lieutenant in the Middlesex Regiment, then later as a Captain in the Irish Guards he served from 1914 to 1918  and was awarded the Military Cross. Citation reads: "when the enemy, attacking in great strength, succeeded in driving a wedge into our line, this officer immediately led a counter-attack which was entirly [sic] successful, the enemy being driven back with loss and the line re-established. It was entirly due to his initiative and dash that the line was maintained.".
After the war, he served with Her Majesty's Diplomatic Service as an honorary attache in the embassies in Madrid August 1922 - resigned July 1924, Brussels October 1924, Madrid, December 1925 - resigned 1928 and Paris June 1929 - resigned 1932. 
George Bambridge married Elsie Kipling, daughter of Rudyard Kipling, on 22 October 1924. The marriage was at the church of St Margaret, Westminster, the reception was at the home of Stanley Baldwin, a Kipling family cousin. The couple, who had no children, resided at Wimpole Hall.
Death and afterward
Bambridge died on 16 December 1943, aged 51, from undisclosed causes. His widow died in 1976. They are interred in St Andrew's Churchyard, Wimpole.
- BMD Index: Dec Qtr 1892. St Georges H. Sq. 1a. 472a.
- Whitaker's Almanac 1895 page 94. Col 1. Line 73.
- BMD Index: June Qtr 1851. Kensington 3. page 369.
- Pamphlet on the Manufacture of Gunpowder, as carried out at the Government Factory, Waltham Abbey: by Major Fraser Baddeley RA, 1857
- Obituary in: Proceedings of the Inst. of Civil Engineers Vol XXII. Session 1862-63, pages 634-636
- Eton Register Part VII. 1899-1909, page 170
- PRO Ref;WO339/1011
- The Times, 21 September 1918, page 4 col B
- Foreign Office List 1933
- BMI Index Dec 1924Qtr St.Geo.H.Sq. 1a 1047
- "Milestones: Nov. 3, 1924". Time. 3 November 1924.