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Leslie Fox was born on 30 September, 1918 in Dewsbury, England, is an English mathematician. Discover Leslie Fox'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 73 years old?

Popular As N/A
Occupation N/A
Age 73 years old
Zodiac Sign Libra
Born 30 September, 1918
Birthday 30 September
Birthplace Dewsbury, England
Date of death 1 August, 1992
Died Place Oxford, England
Nationality

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Leslie Fox Height, Weight & Measurements

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Leslie Fox Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Leslie Fox worth at the age of 73 years old? Leslie Fox’s income source is mostly from being a successful mathematician. He is from . We have estimated Leslie Fox's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
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Source of Income mathematician

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Timeline

1918

Leslie Fox (30 September 1918 – 1 August 1992) was a British mathematician noted for his contribution to numerical analysis.

1939

Fox studied mathematics as a scholar of Christ Church, Oxford graduating with a first in 1939 and continued to undertake research in the engineering department.

While working on his D.Phil. in computational and engineering mathematics under the supervision of Sir Richard Southwell he was also engaged in highly secret war work.

He worked on the numerical solution of partial differential equations at a time when numerical linear algebra was performed on a desk calculator.

Computational efficiency and accuracy was thus even more important than in the days of electronic computers.

Some of this work was published after the end of the Second World War jointly with his supervisor Richard Southwell.

1942

On gaining his doctorate in 1942, Fox joined the Admiralty Computing service.

1945

Following World War II in 1945, he went to work in the mathematics division of the National Physical Laboratory.

1947

Fox's paper on this in 1947 led to the work of Victor Pereyra error-correcting algorithms for boundary-value problems and Stetter's results on defect correction and the resulting order of convergence.

Fox was also interested in the treatment of singularities in partial differential equations, the Stefan problem and other cases of free and moving boundaries.

Many of these problems arose from his collaboration with mathematicians in industry through the Oxford Study Groups.

While Fox influenced the development of numerical analysis through his undergraduate teaching and postgraduate supervision (he supervised around 19 doctoral students), industrial collaboration he also made significant contributions to course material for the Open University.

He lectured widely on 'meaningless answers', describing some of the pitfalls of numerical computation from the uncritical use of simple methods

Fox played a significant part in the early days of the Numerical Algorithms Group (NAG), which set out as a collaborative venture between Oxford, Nottingham and Manchester to provide a reliable and well-tested mathematical subroutine library.

1950

During the 1950 automatic electronic computers were replacing manual electro-mechanical devices.

This led to different problems in the implementation of numerical algorithms; however, the approach of approximating a partial differential equation by finite difference method and thus reducing the problem to a system of linear equations was the same.

Careful analysis of the errors was a theme of many of Fox's early papers.

His work at the Admiralty Computing Service and the National Physical Laboratory led to an interest in the computation of special functions, and his calculations were used in published tables.

The techniques applied to the computation of special functions had much wider applicability including interpolation, stability of recurrence relations and asymptotic behaviour.

During the 1950s, the group at the National Physics Laboratory worked on numerical linear algebra, which led to the publication of algorithms by Wilkinson and others.

While not directly involved in development of numerical software, he supported others in this endeavour.

Fox worked on procedures for solving differential equations in which the accuracy of the solution is estimated using asymptotic estimates.

1956

He left the National Physical Laboratory in 1956 and spent a year at the University of California.

1957

In 1957 Fox took up an appointment at Oxford University where he set up the Oxford University Computing Laboratory.

1963

In 1963, Fox was appointed as Professor of Numerical Analysis at Oxford and Fellow of Balliol College, Oxford.

Fox's laboratory at Oxford was one of the founding organisations of the Numerical Algorithms Group (NAG), and Fox was also a dedicated supporter of the Institute of Mathematics and its Applications (IMA).

The Leslie Fox Prize for Numerical Analysis of the IMA is named in his honour.

A detailed description of Fox's mathematical research can be found in obituaries

and is summarised here.

His early work with Southwell was concerned with the numerical solution of partial differential equations arising in engineering problems that, due to the complexity of their geometry, did not have analytical solutions.

Southwell's group developed efficient and accurate relaxation methods, which could be implemented on desk calculators.

Fox's contributions were particularly notable because he combined practical skills with theoretical advances in relaxation methods, which were to become important areas of research in numerical analysis.

1964

His interests extended to mathematics in schools and he participated the development of the School Mathematics Project, and was active in the local branch of the Mathematical Association, of which he was President in 1964.

1970

The Oxford University Computing Laboratory was one of the founder members of NAG when it started in 1970; Fox supported it strongly and he became a member of its council when the Group was incorporated in 1976 continuing in this capacity until 1984.

1981

Fox was an active member of the Institute of Mathematics and its Applications from its beginnings, as a member of the Council and as an editor first of the main IMA Journal and later the specialised Journal of Numerical Analysis, started in 1981.

1983

The IMA marked his retirement from Oxford in 1983 by a special IMA symposium on 'The contributions of Leslie Fox to numerical analysis'.

1985

The first winner of the IMA's Leslie Fox prize for Numerical Analysis in 1985, Lloyd N. Trefethen, went on to be appointed to the chair in Numerical Analysis at Oxford that was created for Leslie Fox in 1963.

Leslie Fox's mother was Annie Vincent and his father was Job Senior Fox who was a coalminer.

Leslie Fox won a scholarship to Wheelwright Grammar School in Dewsbury, which produced several notable scientists from the same period as Fox.

Fox was a keen sportsman and played football for the university Football Club as well as for Oxford City Football Club.