James Gregory was a Scottish mathematician and astronomer. His surname is sometimes spelt as Gregorie, the original Scottish spelling. He described an early practical design for the reflecting telescope – the Gregorian telescope – and made advances in trigonometry, discovering infinite series representations for several trigonometric functions.
- Occupation
- mathematician, astronomer, inventor, university teacher
- Position held
- Regius Professor of Mathematics
- Citizenship
- Kingdom of Scotland
- Born
- 1638
- Died
- 1675
