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. In 1663 he published his "Optica Promota", in which the compact reflecting telescope known by his name, the Gregorian telescope, is described. Wikipedia
The definitive Wikipedia entry for James Gregory. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/James_Gregory_(astronomer_and_mathe...
The definitive Wikipedia entry for James Gregory. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/James_Gregory_%28astronomer_and_mat...
James Gregory , born at Drumoak near Aberdeen in 1638, and died at Edinburgh in October 1675, was successively professor at St. Andrews and Edinburgh. www.maths.tcd.ie/pub/HistMath/People/Gregory/RouseBall/RB...
