Russian Empire
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Pyotr Kapitsa
Kronstadt, Russian Empire
Archival Overview
Russian physicist who discovered superfluidity in liquid helium-4 and developed pioneering cryogenic equipment and high-power microwave electronics, winning the 1978 Nobel Prize in Physics.
Biographical Record
Pyotr Kapitsa (1894–1984) trained under Ernest Rutherford at the Cavendish Laboratory in Cambridge, inventing magnetic solenoids generating unprecedented magnetic fields. Detained in the USSR during a visit in 1934, he founded the Institute for Physical Problems in Moscow.
In 1937, Kapitsa discovered that helium-4 cooled below 2.17 Kelvin exhibits superfluidity—flowing without any measurable viscosity. A courageous defender of academic freedom, he repeatedly shielded fellow scientists from Stalinist repression.
Key Life Milestones
Discovery of Superfluidity
Demonstrated zero viscosity in liquid helium cooled below the lambda transition temperature.
Nobel Prize in Physics
Awarded the Nobel Prize for fundamental inventions and discoveries in low-temperature physics.
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Final Resting Place
Perpetual MemorialMoscow, Russia