28 Royal Corps of Signals officers

Sir Ian Fife Campbell Anstruther, of that Ilk, 8th Baronet of Balcaskie and 13th Baronet of Anstruther, Hereditary Carver of the Sovereign, Hereditary Master of the Royal Household in Scotland, Chief of the Name and Arms of Anstruther FSA was a baronet twice over. He inherited substantial property interests in South Kensington and wrote several books on specialised areas of 19th-century social and literary history.

Max Beloff, Baron Beloff, was a British historian and Conservative peer. From 1974 to 1979 he was principal of the University College of Buckingham, now the University of Buckingham.

Rupert Leo Scott Bruce-Mitford, FBA, FSA was a British archaeologist and scholar, best known for his multi-volume publication on the Sutton Hoo ship burial. He was a noted academic as the Slade Professor of Fine Art at Cambridge University from 1978 to 1979, in addition to appointments at All Souls College, Oxford, and Emmanuel College, Cambridge.

Donald William Trevor Bruce, Baron Bruce of Donington was a British soldier, businessman and Labour politician.

Colonel Timothy Thomas Cyril Collins is a retired Northern Irish military officer in the British Army. He is best known for his role in the Iraq War in 2003, and his inspirational eve-of-battle speech, a copy of which apparently hung in the White House's Oval Office. He is currently Chairman of intelligence-based security services company Pinpoint Corporate Services.

Major-General Peter Ronald Davies is a retired British Army Officer and animal welfare campaigner.

John Francis Donaldson, Baron Donaldson of Lymington, was a senior British judge who served as Master of the Rolls for ten years, from 1982–92. He is best known in some circles for his role as presiding judge in the infamous Guildford Four miscarriage of justice, especially his closing remarks where he regretted his inability to hang those wrongly convicted.

Richard Alfred Farrimond is a British engineer, former army officer and astronaut. He is currently a history PhD student at King's College London.

Brigadier Edward (Ted) Michael Flint is a former Signal Officer in Chief of the British Army.

Brigadier William Charles Vernon Galwey (1897–1977) was a senior officer in the British Army who served in World War I and World War II.

Lewis Lawrence Golden OBE was a British accountant, war veteran, and a founder of Everest Home Improvement. He was present at the Battle of Arnhem in 1944.

Richard Douglas Harries, Baron Harries of Pentregarth, is a retired bishop of the Church of England and former British Army officer. He was the Bishop of Oxford from 1987 to 2006. From 2008 until 2012 he was the Gresham Professor of Divinity.

Richard Edward Geoffrey Howe, Baron Howe of Aberavon,, known from 1970 to 1992 as Sir Geoffrey Howe, was a British Conservative politician.

Paul Francis Jennings was an English humourist. For many years he wrote a column, Oddly Enough, in The Observer. Many collections were published, including The Jenguin Pennings by Penguin Books in 1963. He also wrote popular children's books including The Great Jelly of London, The Hopping Basket, and The Train to Yesterday.

Lieutenant-Colonel Harry Samuel Lewis Barclay was an Australian-born army officer and sportsman who played first-class cricket and was a quarter-finalist at the 1925 Wimbledon Championships.

Major-General Robert Francis Brydges Naylor, was a general officer in the British Army. During the Second World War he was Major-General in charge of Administration at the War Office from 1939 to 1941, Deputy Quartermaster-General from 1941 to 1943, Vice Quartermaster-General from 1943 to 1944, and Commander of the Line of Communications of the 21st Army Group in the North-West Europe Campaign of 1944–45.

Major General Sharon Patricia Moffat Nesmith is a senior British Army officer. In 2014, she became the first woman to command a British Army brigade.

Lieutenant General Sir Nicholas Arthur William Pope, is a senior British Army officer. He served as Master-General of the Ordnance from 2011 to 2013 and Deputy Chief of the General Staff from 2015 to 2019.

Edward George Sherrin was an English broadcaster, author and stage director. He qualified as a barrister and then worked in independent television before joining the BBC. He appeared in a variety of radio and television satirical shows and theatre shows, some of which he also directed.

Edward Lionel Gregory Stones, FBA (1914-1987) was Edwards Professor of Medieval History at the University of Glasgow from 1956 to 1978.

Lieutenant-Colonel Frederick John Marrian Stratton PRAS was a British astrophysicist, Professor of Astrophysics (1909) at the University of Cambridge from 1928 to 1947 and a decorated British Army officer.

Lieutenant Colonel Richard Francis Strawbridge, MBE is a British engineer, television presenter, environmentalist and former army officer. He is often referred to as "Colonel Dick".

Sir Richard Adam Sykes, was the British Ambassador to the Netherlands, who was assassinated by the IRA in The Hague in 1979.

Professor Samuel James (Sam) Thomson was a Scottish chemist and author, and was reader, titular professor and director of chemical laboratories at the University of Glasgow.

Major-General Leslie "Pete" de Malapert Thuillier, CB, CVO, OBE, was a British Army officer of the Royal Corps of Signals who served with distinction in the Second World War and later set up the hotline between 10 Downing Street and The White House.

Evan Frederic Morgan, 2nd Viscount Tredegar,, FAGS, FIL was a Welsh poet and author. On 3 March 1934, he succeeded to the title of 6th Baronet Morgan, 4th Baron Tredegar, and 2nd Viscount Tredegar, after the death of his father.

Peter Vaughan was an English character actor known for many supporting roles in British film and television productions. He also acted extensively on the stage.

General Sir Henry Colville Barclay Wemyss, was a senior British Army officer who served as Adjutant-General to the Forces from 1940 to 1941.