Pierre Dulong
| Pierre Louis Dulong | |
|---|---|
 |
|
| Born |
12 February 1785 Rouen, France |
| Died | 19 July 1838 (aged 53) Paris, France |
| Known for | Dulong–Petit law |
Pierre Louis Dulong FRS FRSE (/duːˈlɒŋ, -ˈloʊŋ/; French: [dylɔ̃]; 12 February 1785 – 19 July 1838) was a French physicist and chemist. He is remembered today largely for the law of Dulong and Petit, although he was much-lauded by his contemporaries for his studies into the elasticity of steam, conduction of heat, and specific heats of gases. He worked most extensively on the specific heat capacity and the expansion and refractive indices of gases. He collaborated several times with fellow scientist Alexis Petit, the co-creator of the Dulong–Petit law.
Dulong was born in Rouen, France.
An only child, he was orphaned at the age of 4, he was brought up by his aunt on Auxerre. He gained his secondary education in Auxerre and the Lycée Pierre Corneille in Rouen before entering the École Polytechnique, Paris in 1801, only for his studies to be impeded by poor health. He began studying medicine, but gave this up, possibly because of a lack of financial means, to concentrate on science, working under the direction of Thénard.
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