Johann Heinrich Lambert | |
|---|---|
 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.