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Lev Pontryagin was born on 3 September, 1908 in Moscow, Russian Empire, is a Soviet mathematician. Discover Lev Pontryagin's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 79 years old?

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Age 79 years old
Zodiac Sign Virgo
Born 3 September, 1908
Birthday 3 September
Birthplace Moscow, Russian Empire
Date of death 3 May, 1988
Died Place Moscow, Soviet Union
Nationality Russia

We recommend you to check the complete list of Famous People born on 3 September. He is a member of famous mathematician with the age 79 years old group.

Lev Pontryagin Height, Weight & Measurements

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Lev Pontryagin Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Lev Pontryagin worth at the age of 79 years old? Lev Pontryagin’s income source is mostly from being a successful mathematician. He is from Russia. We have estimated Lev Pontryagin's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
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Source of Income mathematician

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Timeline

1908

Lev Semyonovich Pontryagin (Лев Семёнович Понтрягин, also written Pontriagin or Pontrjagin, first name sometimes anglicized as Leon) (3 September 1908 – 3 May 1988) was a Soviet mathematician.

Completely blind from the age of 14, he made major discoveries in a number of fields of mathematics, including algebraic topology, differential topology and optimal control.

He was born in Moscow and lost his eyesight completely due to an unsuccessful eye surgery after a primus stove explosion when he was 14.

His mother Tatyana Andreyevna, who did not know mathematical symbols, read mathematical books and papers (notably those of Heinz Hopf, J. H. C. Whitehead, and Hassler Whitney) to him, and later worked as his secretary.

His mother used alternative names for math symbols, such as "tails up" for the set-union symbol \cup.

1925

In 1925 he entered Moscow State University, where he was strongly influenced by the lectures of Pavel Alexandrov who would become his doctoral thesis advisor.

1929

After graduating in 1929, he obtained a position at Moscow State University.

1930

In 1930, he and several other young members of the Moscow Mathematical Society publicly denounced as counter-revolutionary the Society's head Dmitri Egorov, who openly supported the Russian Orthodox Church and had recently been arrested.

They then proceeded to follow their plan of reorganizing the Society.

Pontryagin was accused of anti-Semitism on several occasions.

For example, he attacked Nathan Jacobson for being a "mediocre scientist" representing the "Zionism movement", while both men were vice-presidents of the International Mathematical Union.

1934

In 1934 he joined the Steklov Institute in Moscow.

Using these tools, he was able to solve the case of Hilbert's fifth problem for abelian groups in 1934.

1935

In 1935, he was able to compute the homology groups of the classical compact Lie groups, which he would later call his greatest achievement.

With René Thom, he is regarded as one of the co-founders of cobordism theory, and co-discoverers of the central idea of this theory, that framed cobordism and stable homotopy are equivalent.

1940

This led to the introduction around 1940 of a theory of certain characteristic classes, now called Pontryagin classes, designed to vanish on a manifold that is a boundary.

1942

In 1942 he introduced the cohomology operations now called Pontryagin squares.

Moreover, in operator theory there are specific instances of Krein spaces called Pontryagin spaces.

1952

Starting in 1952, he worked in optimal control theory.

His maximum principle is fundamental to the modern theory of optimization.

He also introduced the idea of a bang–bang principle, to describe situations where the applied control at each moment is either the maximum positive 'steer', or the maximum negative 'steer'.

Pontryagin authored several influential monographs as well as popular textbooks in mathematics.

Pontryagin's students include Dmitri Anosov, Vladimir Boltyansky, Revaz Gamkrelidze, Yevgeny Mishchenko, Mikhail Postnikov, Vladimir Rokhlin, and Mikhail Zelikin.

Pontryagin participated in a few notorious political campaigns in the Soviet Union.

1970

In 1970 he became vice president of the International Mathematical Union.

Pontryagin worked on duality theory for homology while still a student.

He went on to lay foundations for the abstract theory of the Fourier transform, now called Pontryagin duality.

1978

When a prominent Soviet Jewish mathematician, Grigory Margulis, was selected by the IMU to receive the Fields Medal at the upcoming 1978 ICM, Pontryagin, who was a member of the executive committee of the IMU at the time, vigorously objected.

Although the IMU stood by its decision to award Margulis the Fields Medal, Margulis was denied a Soviet exit visa by the Soviet authorities and was unable to attend the 1978 ICM in person.

1979

Pontryagin rejected charges of antisemitism in an article published in Science in 1979, claiming that he struggled with Zionism, which he considered a form of racism.