John Allen: key obituary facts
Is John Allen dead? Yes. John Allen died on August 19, 2026, at age 97.
Cause of death: John Allen's cause of death has not been publicly confirmed.
What was John Allen known for?
He was an English engineer and plasma physicist.
More about John Allen
Born: 6 December 1928.
Place of birth: Devonport.
Gender: male.
Occupation: academic, engineer, physicist.
Nationality: United Kingdom.
Education: University of Liverpool.
Employer: Atomic Energy Research Establishment, University of Cambridge, University College, Oxford.
Also known as: J. E. Allen, John E. Allen, John Edward Allen.
Known for: Dusty plasmas, plasma boundaries and the Bohm criterion, plasmas created by ultra-violet light, magnetic confinement, propagation of strong collision-free magnetohydrodynamic waves.
John Allen, the British engineer and plasma physicist known for work on dusty plasmas, plasma boundaries and the Bohm criterion, died on August 19, 2026, aged 97.
Born John Edward Allen in Devonport, he was educated at the University of Liverpool and went on to hold posts at the Atomic Energy Research Establishment, the University of Cambridge and University College, Oxford. His research ranged from plasmas created by ultra-violet light and magnetic confinement to the propagation of strong collision-free magnetohydrodynamic waves.
He also contributed directly to international dusty plasma experiments in space under microgravity conditions.