
Nicholas Baines is a British Anglican bishop. He has been the Bishop of Leeds since 8 June 2014. He is a former Bishop of Bradford, the diocesan bishop of the Anglican Diocese of Bradford.

Simon Case is a British civil servant who currently serves as Cabinet Secretary and Head of the Home Civil Service since 9 September 2020, succeeding Sir Mark Sedwill.

Nakdimon Shabbethay Doniach was a British civil servant, lexicographer and scholar of Judaic and Semitic languages.

Dr. Lowell K. (Jim) Frazer was a mathematician who worked for the National Security Agency (NSA) in the field of cryptography.

Irving John Good was a British mathematician who worked as a cryptologist at Bletchley Park with Alan Turing. After the Second World War, Good continued to work with Turing on the design of computers and Bayesian statistics at the University of Manchester. Good moved to the United States where he was professor at Virginia Tech.

Sir Francis Harry Hinsley was an English historian and cryptanalyst. He worked at Bletchley Park during the Second World War and wrote widely on the history of international relations and British Intelligence during the Second World War. He was known as Harry Hinsley.

Ciaran Liam Martin,, was the first CEO of the National Cyber Security Centre (NCSC).

Michael Kane MccGwire was a British international relations specialist known for his work on Cold War geopolitics and Soviet naval strategy. A former Royal Navy commander, he was Professor of Maritime and Strategic Studies at Dalhousie University in Canada and then a Senior Fellow at the Brookings Institution in Washington DC. He was a well-known critic of nuclear deterrence theory.

Alan Mathison Turing was an English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general-purpose computer. Turing is widely considered to be the father of theoretical computer science and artificial intelligence.