Caspar Wessel was a Danish–Norwegian mathematician and cartographer. In 1799, Wessel was the first person to describe the geometrical interpretation of complex numbers as points in the complex plane and vectors.
- Occupation
- mathematician, cartographer, geodesist, surveyor
- Citizenship
- Norway, Kingdom of Denmark
- Born
- June 8, 1745
- Died
- March 25, 1818