Claude-Louis Mathieu or Louis Mathieu (25 November 1783 in

Mâcon Mâcon (), historically anglicised as Mascon, is a city in east-central France. It is the prefecture of the department of Saône-et-Loire in Bourgogne-Franche-Comté. Mâcon is home to near 34,000 residents, who are referred to in French as M� ...

– 5 March 1875 in

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

) 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, structure, space, models, and change. History On ...

and

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...

who began his career as an engineer. He worked with the

Bureau des Longitudes Bureau ( ) may refer to: Agencies and organizations *Government agency *Public administration * News bureau, an office for gathering or distributing news, generally for a given geographical location * Bureau (European Parliament), the administrat ...

and tried to determine the distance of the stars. Awarded the

Lalande Prize The Lalande Prize (French: ''Prix Lalande'' also known as Lalande Medal) was an award for scientific advances in astronomy, given from 1802 until 1970 by the French Academy of Sciences. The prize was endowed by astronomer Jérôme Lalande in 1801 ...

twice, in 1808 and 1815.

References

* 1783 births 1875 deaths 19th-century French astronomers Members of the French Academy of Sciences Recipients of the Lalande Prize {{France-mathematician-stub