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 Pyotr Kapitsa

Born:   July 9, 1894
Deceased:   April 8, 1984

a world famous scientist, physicist, Nobel Prize laureate


"for his basic inventions and discoveries in the area of low-temperature physics"

Pyotr Kapitsa


Pjotr Leonidovich Kapitsa was born in Kronstadt, near Leningrad, on the 9th July 1894, son of Leonid Petrovich Kapitsa, military engineer, and Olga Ieronimovna née Stebnitskaia, working in high education and folklore research.

Kapitsa began his scientific career in A.F. Ioffe's section of the Electromechanics Department of the Petrograd Polytechnical Institute, completing his studies in 1918. Here, jointly with N.N. Semenov, he proposed a method for determining the magnetic moment of an atom interacting with an inhomogeneous magnetic field. This method was later used in the celebrated Stern-Gerlach experiments.

At the suggestion of A.F. Ioffe in 1921 Kapitsa came to the Cavendish Laboratory to work with Rutherford. In 1923 he made the first experiment in which a cloud chamber was placed in a strong magnetic field, and observed the bending of alfa-particle paths. In 1924 he developed methods for obtaining very strong magnetic fields and produced fields up to 320 kilogauss in a volume of 2 cm3. In 1928 he discovered the linear dependence of resistivity on magnetic field for various metals placed in very strong magnetic fields. In his last years in Cambridge Kapitsa turned to low temperature research. He began with a critical analysis of the methods that existed at the time for obtaining low temperatures and developed a new and original apparatus for the liquefaction of helium based on the adiabatic principle (1934).

Kapitsa was a Clerk Maxwell Student of Cambridge University (1923-1926), Assistant Director of Magnetic Research at Cavendish Laboratory (1924-1932), Messel Research Professor of the Royal Society (1930-1934), Director of the Royal Society Mond Laboratory (1930-1934). With R.H. Fowler he was the founder editor of the International Series of Monographs on Physics (Oxford, Clarendon Press).

In 1934 he returned to Moscow where he organized the Institute for Physical Problems at which he continued his research on strong magnetic fields, low temperature physics and cryogenics.

In 1939 he developed a new method for liquefaction of air with a lowpressure cycle using a special high-efficiency expansion turbine. In low temperature physics, Kapitsa began a series of experiments to study the properties of liquid helium that led to discovery of the superfluidity of helium in 1937 and in a series of papers investigated this new state of matter.

During the World War II Kapitsa was engaged in applied research on the production and use of oxygen that was produced using his low pressure expansion turbines, and organized and headed the Department of Oxygen Industry attached to the USSR Council of Ministers.

Late in the 1940's Kapitsa turned his attention to a totally new range of physical problems. He invented high power microwave generators - planotron and nigotron (1950- 1955) and discovered a new kind of continuous high pressure plasma discharge with electron temperatures over a million K.

Kapitsa is director of the Institute for Physical Problems. Since 1957 he is a member of the Presidium of the USSR Academy of Sciences. He was one of the founders of the Moscow Physico-Technical Institute (MFTI), and is now head of the department of low temperature physics and cryogenics of MFTI and chairman of the Coordination Council of this teaching Institute. He is the editor-in-chief of the Journal of Experimental and Theoretical Physics and member of the Soviet National Committee of the Pugwash movement of scientists for peace and disarmament.

He was married in 1927 to Anna Alekseevna Krylova, daughter of Academician A.N. Krylov. They have two sons, Sergei and Andrei.

From Les Prix Nobel. The Nobel Prizes 1978, Editor Wilhelm Odelberg, [Nobel Foundation], Stockholm, 1979


This autobiography/biography was written at the time of the award and later published in the book series Les Prix Nobel/Nobel Lectures. The information is sometimes updated with an addendum submitted by the Laureate. To cite this document, always state the source as shown above.

Honorary degrees
D.Phys.-Math.Sc., USSR Academy of Sciences, 1928
D.Sc., Algiers University, 1944, Sorbonne, 1945
D.Ph., Oslo University, 1946
D.Sc., Jagellonian University, 1964; Technische Universität Dresden, 1964; Charles University, 1965; Columbia University, 1969; Wroclaw Technical University, 1972; Delhi University, 1972; Université de Lausanne, 1973
D.Ph., Turku University, 1977

Honorary memberships
Member of the USSR Academy of Sciences, 1939 (corresponding member - 1929)
Fellow of the Royal Society, London, 1929; French Physical Society, 1931
Institute of Physics, England, 1934; International Academy of Astronautics, 1964
Honorary Member of the Moscow Society of Naturalists, 1935
the Institute of Metals, England, 1943
the Franklin Institute, 1944
Trinity College Cambridge, 1925
New York Academy of Sciences, 1946
Indian Academy of Sciences, 1947
the Royal Irish Academy, 1948
National Institute of Sciences of India, 1957
German Academy of Naturalists "Leopoldina", 1958
International Academy of the History of Science, 1971
Tata Institute of Fundamental Research, Bombay, India, 1977
Foreign Member of Royal Danish Academy of Sciences and Letters, 1946
National Academy of Sciences, USA, 1946
Indian National Sciences Academy, 1956
Polish Academy of Sciences, 1962
Royal Swedish Academy of Sciences, 1966
American Academy of Arts and Sciences, 1968
Royal Netherlands Academy of Sciences, 1969
Serbian Academy of Sciences and Arts, 1971
Finnish Academy of Arts and Sciences, 1974
Honorary Fellow of Churchill College Cambridge, 1974

Medal of the Liége University, 1934
Faraday Medal of the Institute of Electrical Engineers, 1942
Franklin Medal of the Franklin Institute, 1944
Sir Devaprasad Sarbadhikary Gold Medal of the Calcutta University, 1955
Kothenius Gold Medal of the German Academy of Naturalists "Leopoldina", 1959
Frédéric Joliot-Curie Silver Medal of the World Peace Committee, 1959
Lomonosov Gold Medal of the USSR Academy of Sciences, 1959
Great Gold Medal of the USSR Exhibition of Economic Achievements, 1962
Medal for Merits in Science and to Mankind of the Czechoslovak Academy of Sciences, 1964
International Niels Bohr Medal of Dansk Ingeniørvorening, 1964
Rutherford Medal of the Institute of Physics and Physical Society, England, 1966
Golden Kamerlingh Onnes Medal of the Netherlands Society of Refrigeration, 1968
Copernic Memorial Medal of the Polish Academy of Sciences, 1974
USSR State Prize - 1941, 1943
Simon Memorial Award of the Institute of Physics and Physical Society, England, 1973
Rutherford Memorial Lecture, Royal Society of London; Bernal Memorial Lecture, Royal Society of London, 1976
Order of Lenin- 1943, 1944, 1945, 1964, 1971, 1974
Hero of Socialist Labour, 1945, 1974
Order of the Red Banner of Labour, 1954
Order of the Jugoslav Banner with Ribbon, 1967

Collected Papers of P.L. Kapitsa, 3 vol., Pergamon Press, Oxford, 1964 - 1967
High Power Microwave Electronics, Pergamon Press, 1964
Experiment. Theory. Practice. "Nauka", Moscow, 1977
Le livre du problème de physique, CEDIC, Paris, 1977

Pyotr Kapitsa died on April 8, 1984.

Link to Pyotr Kapitsa's Nobel Lecture:
Link to Pyotr Kapitsa's Banquet Speech:

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