Cyril Hilsum: key obituary facts
Is Cyril Hilsum dead? Yes. Cyril Hilsum died on September 23, 2026, at age 101.
Cause of death: Cyril Hilsum's cause of death has not been publicly confirmed.
What was Cyril Hilsum known for?
He was a British physicist.
More about Cyril Hilsum
Born: 17 May 1925.
Gender: male.
Occupation: physicist, engineer, electrical engineer.
Nationality: United Kingdom.
Education: University College London, Raine's Foundation School.
Awards: Fellow of the Royal Society, Commander of the Order of the British Empire, Royal Medal, Max Born Prize, IEEE David Sarnoff Award, Faraday Medal, Glazebrook Medal, Fellow of the Royal Academy of Engineering.
Children: Lindsey Hilsum, Karen Burt.
Known for: liquid-crystal science and technology.
Cyril Hilsum, a British physicist and academic known for his work in liquid-crystal science and technology, died on September 23, 2026, aged 101.
He was elected to the National Academy of Engineering in 1983 for his inventiveness and leadership in bringing III-V semiconductors into electronic technology. Born on May 17, 1925, he entered Raine’s Foundation School in 1936, went on to study at University College London after leaving school in 1943, and later held posts with the Royal Naval Scientific Service, the Admiralty Research Laboratory and the Services Electronics Research Laboratory.