Edmond Halley was an English astronomer and mathematician who was mainly concerned with practical applications of science. He abandoned college education to travel to St. Helena. He published catalogue of 341 southern stars with telescopically determined locations. Known for his wide range of interest, he helped Newton to publish his magnum opus, Philosophiæ Naturalis Principia Mathematica. He used Newton's Law of Motion to compute periodicty of Halley’s Comet.
One of the two pioneering female honorary members of the Royal Astronomical Society, Mary Somerville was a 19th-century polymath and science writer. Though she specialized in math and astronomy, she was also well-versed in botany and geology. The Connection of the Physical Sciences remains her most notable work.
The son of renowned astronomer William Herschel, John Herschel was educated at Eton and Cambridge and grew up to be a polymath. Apart from contributing to the field of photography, he was known for cataloguing and naming stars and satellites. He briefly also served as the Master of the Royal Mint.
David Brewster was a British scientist, inventor, and author. He conducted many experiments in physical optics, especially concerned with the study of the polarization of light. Fellow scientist William Whewell dubbed him the "father of modern experimental optics." He was also a pioneer in photography and invented an improved stereoscope. He wrote numerous works of popular science as well.
William Whewell was an English polymath, scientist, philosopher, theologian, and historian of science. He worked in a wide range of fields, publishing works in the disciplines of physics, mechanics, geology, economics, and astronomy. He also wrote poetry, sermons, and theological tracts. He is credited with coining the terms linguistics, physicist, consilience, scientist, catastrophism, and uniformitarianism.
Scottish engineer and political economist William Playfair is best-remembered as the inventor of statistical graphs and secret agent for Great Britain during its war with France. He published the first data graphs in his book The Commercial and Political Atlas. He used line, area and bar charts to represent the economy of 18th Century England and introduced the pie chart.
10 George Green
With one year of formal schooling, George Green was entirely self-taught until the age of forty, when he entered Gonville and Caius College, Cambridge. By then, he had published his first book, propagating what are now known as Green’s theorem and Green’s functions. A fellow of the Cambridge Philosophical Society, he also established Green's identities, Green's law, and Green's matrix.
14 James Ivory
Scottish Presbyterian minister and political economist Thomas Chalmers has been immortalized by the town of Port Chalmers in New Zealand, named after him. An ordained minister, he was initially a math lecturer. He later became the Free Church of Scotland’s first moderator. He tried applying Christian ethics to economic problems.
William Hopkins was an English geologist and mathematician. He is remembered for serving as a private tutor of prospective undergraduate Cambridge mathematicians, which earned him the nickname senior-wrangler maker. Hopkins also played first-class cricket and was associated with Cambridge University Cricket Club. He had an unfortunate end to his life as he spent his final years in a lunatic asylum.
22 John Machin
23 Peter Barlow
24 John Hadley
27 John Keill
Apart from being a renowned astronomer, Alexander Wilson was also a qualified surgeon and once co-owned a type-founding business, too. He pioneered the use of kites in meteorological research and also co-founded the Royal Society of Edinburgh. He has a lunar crater named after him.