Andrew Neil Gillespie Campbell was born in Kohat, Madhya Pradesh, Bengal, India on 11 November 1909.  He was the youngest son of Brigadier General Alexander Augustus Elphinstone Campbell & Mary Powys Campbell (née Lane).  

Andrew Campbell joined the Royal Navy as a Naval Cadet on 1 January 1927 and, on 10 January 1927 he was appointed to the Battleship HMS ROYAL OAK but was noted as ‘accommodated temporarily in HMS ROYAL SOVEREIGN’.  He was promoted to Midshipman on 1 September 1927 and was appointed to the Cruiser HMS CUMBERLAND on 6 February 1928.  

He was promoted to Sub Lieutenant on 16 July 1930 and  joined HMS DOLPHIN for the Submarine Course on 4 May 1931 before joining HMS L26 as the Navigator. On 15 May 1932 he joined HMS L19 as 3rd Hand in the 2nd Submarine Flotilla – promotion to Lieutenant followed on 1 June 1932 and he  was appointed to HMS DOLPHIN (5th Submarine Flotilla) at Portsmouth for HMS L52 as the 3rd Hand on 2 September 1933 and HMS SEAHORSE as the First Lieutenant on 27 October 1934.  He was serving in HMS PROTEUS on 6 June 1936.  

He completed his Commanding Officers Qualifying Course and was appointed to command HMS SWORDFISH on 6 August 1938. After promotion to Lieutenant Commander on 1 June 1940, he was appointed to the submarine depot Ship HMS AMBROSE in August 1940. 

His next appointment was to HMS SEVERN on 30 October 1940.  Whilst in command of HMS SEVERN Andrew Campbell conducted a total of twelve war patrols between January 1941 and November 1943.  The submarine also completed a refit in the Philadelphia Navy Yard in the United States between March and October 1942.  On 7January 1944 Andrew Campbell handed over command of HMS SEVERN to Lieutenant Raymond Henry Bull.  

By August 1944, he was serving as the Temporary Commanding Officer of the ‘modified’ Black Swan Class Sloop HMS KITE.  In the morning of 21 August HMS KITE was escorting the aircraft carriers HMS VINDEX and HMS STRIKER to Northern Russia.  During the morning HMS KITE had to reduce speed and was hit and sunk by a salvo of two torpedoes fired from U-344 (Oberleutnant Ulrich Pietsch).  Of the crew of two hundred and seventeen officers and ratings, only nine survived.  Andrew Campbell died in the sinking of HMS KITE, and is commemorated on the Plymouth Naval War Memorial on Panel No. 85 Column No. 1.

He had married Mary Frances Geraldine Campbell (née Howell) on 30 November 1935 in St Mary’s Church, Cadogan Gardens, Chelsea.  

Note: he is listed in Navy Lists as Andrew Niel Gillespie Campbell.