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James Gregory
3
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Gregory
James Gregory
Mathematician
Early Life/Education
- DOB:November 3, 1638
- DOD:October 15, 1675
- Born in Scotland, UK
- died in Edinburgh, Scotland
- The youngest of the 3 children of John Gregory,
- Gregory recieved his early education from his mom
- First sent to grammer school
- Then he went to Marischal College
- Graduated from the Latter King School in 1657
- He went to universities of Padua, Aberdeen, and University of St. Andrews
- The Mathematician i'm researching is James Gregory
- His surname is sometimes spelt as Gregorie, the original Scottish spelling.
- Gregory was very successful man
- After his father's death in 1651 his elder brother David took over responsibility for his education
- He was a Mathematician and a astronomer
- In his early life he designed a reflecting telescope – the Gregorian telescope
- He was made a professor at the University of St Andrews and the University of Edinburgh.
- In 1663 he went to London, meeting John Collins and fellow Scot Robert Moray
- stated from a geometric point of view, and only for a special class of the curves considered by later versions of the theorem), for which he was acknowledged by Isaac Barrow
- His parents were Janet and John Gregory
- He had married Mary, a painter, and widow of John Burnet of Elrick, Aberdeen
- He got children named James Gregory Jr. and Helen Gregory(named after his mother)
- Best known for his description of the first practical reflecting telescope.
- Best known for his description of the first practical reflecting telescope.
- Made important mathematical discoveries, including infinite series representations for various trigonometric functions.
- discovered infinite series representations for a number of trigonometry functions
- Gregory did not publish any more mathematical papers after his return to Scotland
- Gregory’s series for the arctangent function:
- arctan x = x − x3/3 + x5/5 − x7/7 + …
- this series converges too slowly to π for the practical generation of digits in its decimal expansion.
- Although Gregory did not publish any more mathematical papers after his return to Scotland
- He was a Mathematician and a astronomer
In his early life he designed a reflecting telescope – the Gregorian telescope
- He was made a professor at the University of St Andrews and the University of Edinburgh.
Death
In 1674 Gregory accepted
an invitation to become a professor
at Edinburgh University, but died the
following year, aged, 37
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