Thomas Clausen (mathematician)
| Thomas Clausen | |
|---|---|
| Born | 16 January 1801 Snogbæk, Sottrup Municipality, Duchy of Schleswig | 
| Died | 23 May 1885 (aged 84) | 
| Known for | Clausen function, Clausen's formula | 
Thomas Clausen (16 January 1801, Snogbæk, Sottrup Municipality, Duchy of Schleswig – 23 May 1885, Tartu, Imperial Russia) was a Danish mathematician and astronomer.