John Abernethy FRS ( 3 April 1764 – 20 April 1831 ) was an English surgeon.

The Reverend Dr Nevil Maskelyne FRS ( 6 October 1732 – 20 July 1811 ) was the fifth English Astronomer Royal.

Sir Christopher Michael Wren FRS ( 20 October 1632 – 25 February 1723 ) is one of the most highly acclaimed English architects in history.

Sir James Dewar FRS ( 20 September 1842 – 27 March 1923 ) was a Scottish chemist and physicist.

John Playfair FRSE, FRS ( 10 March 1748 – 20 July 1819 ) was a Scottish scientist and mathematician, and a professor of natural philosophy at the University of Edinburgh.

Sir Bernard Katz, FRS ( 26 March 1911 – 20 April 2003 ) was a German-born biophysicist, noted for his work on nerve biochemistry.

James Keir FRS ( 20 September 1735 – 11 October 1820 ) was a Scottish chemist, geologist, industrialist, and inventor, and an important member of the Lunar Society of Birmingham.

Sir William Timothy Gowers, FRS (; born 20 November 1963 ) is a British mathematician.

Nathaniel Mayer Victor Rothschild, 3rd Baron Rothschild, GBE, GM, FRS ( 31 October 1910 – 20 March 1990 ) was a biologist by training, a cricketer and a member of the prominent Rothschild family.

Sir Frederic Charles Bartlett FRS ( 20 October 1886 – 30 September 1969 ) was a British psychologist and the first professor of experimental psychology at the University of Cambridge.

George John Romanes FRS ( 20 May 1848 – 23 May 1894 ) was a Canadian-born English evolutionary biologist and physiologist who laid the foundation of what he called comparative psychology, postulating a similarity of cognitive processes and mechanisms between humans and other animals.

John Somerset Pakington, 1st Baron Hampton GCB, PC FRS ( 20 February 1799 – 9 April 1880 ), known as Sir John Pakington, Bt from 1846 to 1874, was a British Conservative politician.

William Legge 2nd Earl of Dartmouth PC, FRS ( 20 June 1731 – 15 July 1801 ), styled as Viscount Lewisham from 1732 to 1750, was a British statesman who is most remembered for his part in the government before and during the American Revolution.

John Goodricke FRS ( 17 September 1764 – 20 April 1786 ) was an eminent amateur astronomer.

Sir Frederick Gowland Hopkins OM FRS ( 20 June 1861 – 16 May 1947 ) was an English biochemist who was awarded the Nobel Prize in Physiology or Medicine in 1929, with Christiaan Eijkman, for the discovery of vitamins.

Francis William Aston FRS ( 1 September 1877 – 20 November 1945 ) was a British chemist and physicist who won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole number rule.

Dame Miriam Louisa Rothschild DBE, FRS ( 5 August 1908 — 20 January 2005 ) was a British natural scientist and author with contributions to zoology, entomology, and botany.

Joseph Hume FRS ( 22 January 1777 – 20 February 1855 ) was a Scottish doctor and Radical MP, born in Montrose, Angus.

William Hallowes Miller FRS ( 6 April 1801 – 20 May 1880 ), British mineralogist and crystallographer.

Sir Simon Kirwan Donaldson FRS ( born 20 August 1957, in Cambridge, England ), is an English mathematician known for his work on the topology of smooth ( differentiable ) four-dimensional manifolds.

Edmund John Philip Browne, Baron Browne of Madingley, FRS, FREng ( born 20 February 1948 ) is President of the Royal Academy of Engineering and was group Chief Executive of BP until his resignation on 1 May 2007.

Audiovox FRS radios gained 20 % market share.

Walter Plowright CMG FRS FRCVS ( born 20 July 1923, Holbeach, Lincolnshire – 19 February 2010 London ) was an English veterinary scientist who devoted his career to the eradication of the cattle plague rinderpest.

Thomas Simpson FRS ( 20 August 1710 – 14 May 1761 ) was a British mathematician, inventor and eponym of Simpson's rule to approximate definite integrals.

John James Rickard Macleod FRS ( 6 September 1876 – 16 March 1935 ) was a Scottish physician and physiologist.

Vice Admiral William Bligh, FRS, RN ( 9 September 1754 – 7 December 1817 ) was an officer of the British Royal Navy and a colonial administrator.

Howard Walter Florey, Baron Florey, OM, FRS ( 24 September 1898 – 21 February 1968 ) was an Australian pharmacologist and pathologist who shared the Nobel Prize in Physiology or Medicine in 1945 with Sir Ernst Boris Chain and Sir Alexander Fleming for his role in the making of penicillin.

John Dalton FRS ( 6 September 1766 – 27 July 1844 ) was an English chemist, meteorologist and physicist.

Thomas Graham FRS ( 21 December 1805 – 16 September 1869 ) was a nineteenth-century Scottish chemist who is best-remembered today for his pioneering work in dialysis and the diffusion of gases.

* The Right Honourable Sir Harold Wilson, KG, OBE, FRS ( 9 June – 16 September 1983 )

* The Right Honourable The Lord Wilson of Rievaulx, KG, OBE, FRS, PC ( 16 September 1983 – 24 May 1995 )

A. V. Hill, christened Archibald Vivian ( which names he detested ) CH OBE FRS ( 26 September 1886 – 3 June 1977 ) was an English physiologist, one of the founders of the diverse disciplines of biophysics and operations research.

Edward Arthur Alexander Shackleton, Baron Shackleton, KG AC OBE PC FRS FRGS FRCGS ( 15 July 191122 September 1994 ), was a British geographer and Labour Party politician.

Major-General Robert Clive, 1st Baron Clive, KB MP FRS ( 29 September 1725 – 22 November 1774 ), also known as Clive of India, was a British officer who established the military and political supremacy of the East India Company in Bengal.

Sir Barnes Neville Wallis, CBE FRS, RDI, FRAeS ( 26 September 1887 – 30 October 1979 ), was an English scientist, engineer and inventor.

Jan Christiaan Smuts, OM, CH, ED, KC, FRS, PC ( 24 May 1870 – 11 September 1950 ) was a prominent South African and British Commonwealth statesman, military leader and philosopher.

Samuel Musgrave, FRS ( 29 September 1732 – 5 July 1780 ) was an English classical scholar and physician.

Sir Ronald Ross KCB FRS ( 13 May 1857 – 16 September 1932 ) was a British doctor who received the Nobel Prize for Physiology or Medicine in 1902 for his work on malaria.

John Byrom or John Byrom of Kersal or John Byrom of Manchester FRS ( 29 February 1692 – 26 September 1763 ) was an English poet and inventor of a revolutionary system of shorthand.

John Zephaniah Holwell FRS ( 17 September 1711 – 5 November 1798 ) was a surgeon, an employee of the English East India Company, and a temporary Governor of Bengal ( 1760 ).

Matthew Boulton FRS (; 3 September 1728 – 17 August 1809 ) was an English manufacturer and business partner of Scottish engineer James Watt.

Shirley Marie Tilghman, FRS ( née Caldwell ; born 17 September 1946 ) is a Canadian scholar in molecular biology and an academic administrator, the President of Princeton University.

James Hardy Wilkinson FRS ( 27 September 1919 – 5 October 1986 ) was a prominent figure in the field of numerical analysis, a field at the boundary of applied mathematics and computer science particularly useful to physics and engineering.

John Boyd Orr, 1st Baron Boyd-Orr CH, DSO, MC, FRS ( 23 September 1880 – 25 June 1971 ), known as Sir John Boyd Orr from 1935 to 1949, was a Scottish teacher, doctor, biologist and politician who received the Nobel Peace Prize for his scientific research into nutrition and his work as the first Director-General of the United Nations Food and Agriculture Organization ( FAO ).

Reginald Victor Jones, CH CB CBE FRS, ( 29 September 1911 – 17 December 1997 ) was a British physicist and scientific military intelligence expert who played an important role in the defence of Britain in

Ian Nicholas Stewart FRS ( born 24 September 1945 ) is a professor of mathematics at the University of Warwick, England, and a widely known popular-science and science-fiction writer.

Henry More FRS ( October 12, 1614 – September 1, 1687 ) was an English philosopher of the Cambridge Platonist school.