Educated at
Rugby School, Grantham joined the
Royal Navy in 1918. Grantham served in the
Second World War, initially as commander of the
cruiser and was involved in the evacuation from Greece, for which he was awarded the
Distinguished Service Order. After a period as a liaison officer in the
Western Desert, he became Commander of the cruiser , which was sunk by a
torpedo in March 1942. He then became commander of the cruiser , in which he was involved in the defeat of the Italian Fleet at the second Battle of Birte. His last wartime command was of the
aircraft carrier , which was involved in the landings in
Sicily. He went on to be director of plans at the
Admiralty. After the war, Grantham became
chief of staff to the commander-in-chief,
Mediterranean Fleet in 1946. He was appointed
flag officer submarines in 1948, flag officer, second in command of the Mediterranean Fleet in 1950 and
Vice Chief of the Naval Staff in 1951. He became commander-in-chief,
Mediterranean Fleet and
NATO commander
Allied Forces Mediterranean in 1954 and then
Commander-in-Chief, Portsmouth and Allied commander-in-chief, Channel and southern North Sea in 1957. He retired in 1959. Grantham was also
First and Principal Naval Aide-de-camp to
the Queen from 1958 to 1959. In retirement Grantham became
Governor and Commander-in-Chief Malta from 1959 to 1962. ==Family==