Johann Heinrich Lambert
Johann Heinrich Lambert | |
|---|---|
Johann Heinrich Lambert (1728–1777) | |
| Born | 26 or 28 August 1728 |
| Died | 25 September 1777 (aged 49) |
| 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, at that time allied to the Swiss Confederacy, who made important contributions to the subjects of mathematics, physics (particularly optics), philosophy, astronomy and map projections.