Mansfield Cumming was the first head of the organisation which later became the Secret Intelligence Service (MI6).
In 1909, Captain Mansfield Cumming of the Royal Navy was appointed head of the Naval section of the new Secret Service Bureau. In 1916, this section became MI1c within the War Office's Directorate of Military Intelligence.
- Michael Smith, The Spying Game, Politico's, 2003, p.67.
- Stephen Dorril, MI6: Inside the Covert World of Her Majesty's Secret Intelligence Service, Touchstone, 2002, p.4.