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Hugues Charles Robert Méray (12 November 1835, in
Hugues Charles Robert Méray (12 November 1835, in Chalon-sur-Saône
Chalon-sur-Saône (, literally ''Chalon on Saône'') is a city in the Saône-et-Loire Departments of France, department in the Regions of France, region of Bourgogne-Franche-Comté in eastern France.
It is a Subprefectures in France, sub-prefectu ...
, Saône-et-Loire
Saône-et-Loire (; Arpitan: ''Sona-et-Lêre'') is a department in the Bourgogne-Franche-Comté region in France. It is named after the rivers Saône and Loire, between which it lies, in the country's central-eastern part.
Saône-et-Loire is B ...
– 2 February 1911, in Dijon
Dijon (, ; ; in Burgundian language (Oïl), Burgundian: ''Digion'') is a city in and the Prefectures in France, prefecture of the Côte-d'Or Departments of France, department and of the Bourgogne-Franche-Comté Regions of France, region in eas ...
) was a French mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...
. He is noted as the first to publish an arithmetical theory of irrational number
In mathematics, the irrational numbers are all the real numbers that are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers. When the ratio of lengths of two line segments is an irrational number, ...
s. His work did not have much of a role in the history of mathematics because France, at that time, was less interested in such matters than Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
.
He was an Invited Speaker of the ICM in 1900 in Paris; his contributed paper was presented by Charles-Ange Laisant.
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