[DOC] [TLE] James Gregory | Scottish mathematician and astronomer | Britannica ... [PAR] James Gregory, also spelled James Gregorie (born November 1638, ... the first 
practical reflecting telescope, now known as the Gregorian telescope. ... 
Following graduation, Gregory traveled to London where he published Optica 
Promota (1663; The .... British mathematician and logician, who made major 
contributions to... [DOC] [TLE] Newtonian telescope - Wikipedia [PAR] The Newtonian telescope is a type of reflecting telescope invented by the British 
scientist Sir Isaac Newton (16421727), using a concave primary mirror and a flat 
diagonal secondary mirror. Newton's first reflecting telescope was completed in 
1668 and is the earliest ... Newton may even have read James Gregory's 1663 
book Optica Promota... [DOC] [TLE] Reflecting telescope - Wikipedia [PAR] A reflecting telescope (also called a reflector) is an optical telescope which uses 
a single or ... Some telescopes use primary mirrors which are made differently. ... 
by Scottish astronomer and mathematician James Gregory in his 1663 book 
Optica ... the first successful reflecting telescope, completed by Isaac Newton in 
1668. [DOC] [TLE] Buying a telescope | Astronomy.com [PAR] Jul 1, 2004 ... Buying a telescope, like buying a car or stereo equipment, is subject to ... some 
guidelines to make your purchase as informed as possible. ... Scottish 
mathematician James Gregory (1638  1675) invented the reflecting telescope 
and ... The first Cassegrain reflecting telescope was made in 1672 by the... [DOC] [TLE] Sir Isaac Newton facts, information, pictures | Encyclopedia.com ... [PAR] It was formerly believed that all of these discoveries were made while Newton ... It 
is possible that even the prism experiments on refraction and dispersion were ..... 
Collins communicated Newton's results to James Gregory, Sluse, Bertet, ..... his 
invention of a reflecting telescope and sextant, and his published Opticks of... [DOC] [TLE] doc - The Crowned Anarchist Literature and Science Fiction [PAR] At this point, according to his own account, Newton had made great progress in 
what ... James Gregory had proposed a design for a reflecting telescope in 1663, 
but Newton ... He built a reflecting telescope with a 1.3-in (3.3-cm) mirror in 1668. 
.... By this time Newton was the dominant figure in British and European science. [DOC] [TLE] Telescope Designs Of The 17th Century Film Studies Essay [PAR] Mar 23, 2015 ... The way the lenses refract the light can be seen in figure 1. ... Galileo was so 
interested in it that he made a model within a day of returning to .... James 
Gregory in 1663 was the first to design a telescope which incorporated ... In 1668, 
Newton built his first reflector which consisted of a primary spherical... [DOC] [TLE] Newton | The Renaissance Mathematicus | Page 6 [PAR] Dec 25, 2011 ... As already mentioned above in reality the quadrivium was largely neglected and 
... of the chairs for mathematics to move on to something better as soon as 
possible. ... James Gregory did not invent the reflecting telescope. ... Gregory 
published his design for his reflecting telescope in 1663 but failed in his... [DOC] [TLE] OOLAC - #Academics_of_the_University_of_Edinburgh [PAR] James and Bradley: American Truth and British Reality (1994) .... There he made 
a considerable number of stellar observations between April 1832 ..... Upon his 
return to London in 1668 he was elected a Fellow of the Royal ... In the Optica 
Promota, published in 1663, Gregory described his design for a reflecting 
telescope,... [DOC] [TLE] Gates of Vienna: The History of Optics, Part 5 [PAR] Feb 13, 2009 ... He had at least two achromatic telescopes made after 1730 in ... refracting 
telescopes, but in the long run reflecting telescopes would still ... optical scientist 
James Gregory (16381675) to show that the stars ... physicist Francesco 
Grimaldi (1618-1663), professor of mathematics at the ...... Brits At Their Best [DOC] [TLE] Problems With The Fixed Stars: Do Exoplanets really exist?  A ... [PAR] May 13, 2016 ... Navigation by stars would not be possible in an true explosive type Universe. .... 
on the other a suggestion made by the watch signalling a disabled vessel ..... 
leads through the bankers all the

Question: In 1663 James Gregory figured a reflecting telescope was possible; this Brit made it a reality in 1668
Answer: Sir Isaac Newton