Age, Biography and Wiki
Fritz John was born on 14 June, 1910 in Berlin, Germany, is an American mathematician. Discover Fritz John'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 83 years old?
Popular As |
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Age |
83 years old |
Zodiac Sign |
Gemini |
Born |
14 June 1910 |
Birthday |
14 June |
Birthplace |
Berlin, Germany |
Date of death |
10 February, 1994 |
Died Place |
New York City, United States |
Nationality |
Germany
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We recommend you to check the complete list of Famous People born on 14 June.
He is a member of famous mathematician with the age 83 years old group.
Fritz John Height, Weight & Measurements
At 83 years old, Fritz John height not available right now. We will update Fritz John's Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.
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Not Available |
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Not Available |
Dating & Relationship status
He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.
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Not Available |
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Not Available |
Fritz John Net Worth
His net worth has been growing significantly in 2023-2024. So, how much is Fritz John worth at the age of 83 years old? Fritz John’s income source is mostly from being a successful mathematician. He is from Germany. We have estimated Fritz John'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 |
House |
Not Available |
Cars |
Not Available |
Source of Income |
mathematician |
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Timeline
Fritz John (14 June 1910 – 10 February 1994) was a German-born mathematician specialising in partial differential equations and ill-posed problems.
His early work was on the Radon transform and he is remembered for John's equation.
He studied mathematics from 1929 to 1933 in Göttingen where he was influenced by Richard Courant, among others.
Following Hitler's rise to power in 1933 "non-aryans" were being expelled from teaching posts, and John, being half Jewish, emigrated from Germany to England.
John published his first paper in 1934 on Morse theory.
He was awarded his doctorate in 1934 with a thesis entitled Determining a function from its integrals over certain manifolds from Göttingen.
With Richard Courant's assistance he spent a year at St John's College, Cambridge.
During this time he published papers on the Radon transform, a theme to which he would return throughout his career.
John was appointed an assistant professor at the University of Kentucky in 1935 and he emigrated to the United States, becoming naturalised in 1941.
Throughout the 1940s and 1950s he continued to work on the Radon transform, in particular its application to linear partial differential equations, convex geometry, and the mathematical theory of water waves.
He also worked in numerical analysis and on ill-posed problems.
His textbook on partial differential equations was highly influential and was re-edited many times.
He made several contributions to convex geometry, including his famous result that within every convex body there is one unique ellipsoid of maximal volume, now called the
He stayed at Kentucky until 1946, apart from between 1943 and 1945, during which he did war service for the Ballistic Research Laboratory at the Aberdeen Proving Ground in Maryland.
In 1946 he moved to New York University, where he remained for the rest of his career.
From the mid-1950s on, he started working on the theory of equilibrium nonlinear elasticity.
He coauthored with Richard Courant the two-volume work Introduction to Calculus and Analysis, first published in 1965.
He received many awards during his career including the Birkhoff Prize in Applied Mathematics in 1973 and the Steele Prize in 1982.
He retired in 1981, but continued to work on nonlinear waves.
He was a 1984 MacArthur Fellow.
John was born in Berlin, Imperial Germany, the son of Hedwig (née Bürgel) and Hermann Jacobson-John.
On 5 May 1985, jointly with Olga Arsenievna Oleinik, he was awarded the laurea honoris causa in mathematics by the Sapienza University of Rome.