Age, Biography and Wiki

Mark Kac was born on 3 August, 1914 in Krzemieniec, Russian Empire (now Ukraine), is a Polish-American Mathematician. Discover Mark Kac'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 70 years old?

Popular As N/A
Occupation N/A
Age 70 years old
Zodiac Sign Leo
Born 3 August 1914
Birthday 3 August
Birthplace Krzemieniec, Russian Empire (now Ukraine)
Date of death 26 October, 1984
Died Place California, U.S.
Nationality Russia

We recommend you to check the complete list of Famous People born on 3 August. He is a member of famous Mathematician with the age 70 years old group.

Mark Kac Height, Weight & Measurements

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Mark Kac Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Mark Kac worth at the age of 70 years old? Mark Kac’s income source is mostly from being a successful Mathematician. He is from Russia. We have estimated Mark Kac'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
Salary in 2023 Under Review
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Source of Income Mathematician

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Timeline

1914

Mark Kac (Polish: Marek Kac; August 3, 1914 – October 26, 1984) was a Polish American mathematician.

His main interest was probability theory.

His question, "Can one hear the shape of a drum?"

set off research into spectral theory, the idea of understanding the extent to which the spectrum allows one to read back the geometry.

In the end, the answer was generally "no".

He was born to a Polish-Jewish family; their town, Kremenets (Polish: "Krzemieniec"), changed hands from the Russian Empire (by then Soviet Ukraine) to Poland after the Peace of Riga, when Kac was a child.

1937

Kac completed his Ph.D. in mathematics at the Polish University of Lwów in 1937 under the direction of Hugo Steinhaus.

While there, he was a member of the Lwów School of Mathematics.

1938

After receiving his degree, he began to look for a position abroad, and in 1938 was granted a scholarship from the Parnas Foundation, which enabled him to go work in the United States.

He arrived in New York City in November 1938.

1939

From 1939 to 1961, Kac taught at Cornell University, an Ivy League university in Ithaca, New York, where he was first an instructor.

1942

With the onset of World War II in Europe, Kac was able to stay in the United States, while his parents and brother, who had remained in Kremenets, were murdered by the Germans in mass executions in August 1942.

1943

In 1943, he was appointed an assistant professor, and he became a full professor in 1947.

While a professor at Cornell, he became a naturalized US citizen in 1943.

From 1943 to 1945, he also worked with George Uhlenbeck at the MIT Radiation Laboratory.

1951

During the 1951–1952 academic year, Kac was on sabbatical at the Institute for Advanced Study.

1952

In 1952, Kac, with Theodore H. Berlin, introduced the spherical model of a ferromagnet, a variant of the Ising model, and, with J. C. Ward, found an exact solution of the Ising model using a combinatorial method.

1956

In 1956, he introduced a simplified mathematical model known as the Kac ring, which features the emergence of macroscopic irreversibility from completely time-symmetric microscopic laws.

Using the model as an analogy to molecular motion, he provided an explanation for Loschmidt's paradox.

1961

In 1961, Kac left Cornell and went to The Rockefeller University in New York City.

He worked with George Uhlenbeck and P. C. Hemmer on the mathematics of a van der Waals gas.

After twenty years at Rockefeller, he moved to the University of Southern California where he spent the rest of his career.

1966

In his 1966 article, "Can one hear the shape of the drum", Kac asked whether the geometric shape of a drum is uniquely defined by its sound.

The answer was negative, meaning two different resonators can have identical set of eigenfrequencies.

Kac was the co-chair of the Committee of Concerned Scientists.

He co-authored a letter, which publicized the case of the scientist Vladimir Samuilovich Kislik and a letter which publicized the case of the applied mathematician Yosif Begun.