James Gregory's work laid the foundation for the development of calculus, and his work in astronomy and optics for astronomical observations influenced the works of Isaac Newton. He was born in Drumoak, Scotland, the son of John Gregory, a minister,...

1638-1675 Scottish Mathematician James Gregory published papers on a number of mathematical and scientific subjects, and a look at his unpublished papers suggests an even more wide-ranging talent. Among his most notable contributions were his laying of...

1638-1675 Scottish mathematician and astronomer who designed the first plausible reflecting telescope (1663), though he was unable to obtain mirrors of sufficient quality to produce a working model. Gregory also made significant contributions to the...

James Gregory (November 1638 – October 1675), was a Scottish mathematician and astronomer. He was born at Drumoak, Aberdeenshire, and died at Edinburgh. He was successively professor at the University of St Andrews and the University of Edinburgh....

Oscar-winning director Bille August has brought the memoirs of one of Nelson Mandela's jailers to the screen, with Dennis Haysbert playing the famous prisoner _ a part that he said regularly left him in tears."Goodbye Bafana," which stars Joseph Fiennes as prison guard James Gregory,...