Johann Heinrich Lambert | |
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![]() Johann Heinrich Lambert (1728–1777) | |
Born | 26 or 28 August 1728 |
Died | 25 September 1777 | (aged 49)
Nationality | Republic of Mulhouse, Swiss, French |
Known for | First Proof that π is irrational Beer–Lambert law Lambert's cosine law Transverse Mercator projection Lambert W function |
Scientific career | |
Fields | Mathematician, physicist, astronomer, and philosopher |
Johann Heinrich Lambert (German: [ˈlambɛɐ̯t]; French: Jean-Henri Lambert; 26 or 28 August 1728 – 25 September 1777) was a polymath from the Republic of Mulhouse, generally identified as either Swiss or French, who made important contributions to the subjects of mathematics, physics (particularly optics), philosophy, astronomy and map projections.