Scientists, inventors and mathematicians
Notable peoplePoliticians and leadersScientists, inventors, and mathematiciansWriters and journalistsReligious figuresRevolutionaries and activistsPhilosophers and social scientistsWritersScientists, inventors and mathematiciansMusicians and composersPhilosophers, historians, political and social scientistsVisual artistsSports figuresMilitary leaders and theoristsRebels, revolutionaries and activistsEntertainersLeaders and politiciansExplorersDirectors, producers and screenwritersBusinesspeopleScientists and inventorsMathematiciansJournalistsArtistsMusiciansCriminalsFilmmakers
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- Nasir al-Din al-TusiPersian astronomer (1201–1274)
- National Defense Service MedalAmerican service medal
- Nazir Ahmed (physicist)Nazir Ahmed (or Nazir Ahmad) OBE (1 May 1898 – 30 September 1973) was an experimental phys
- Nelson ProvinceNelson Province was constituted in 1853 under the New Zealand Constitution Act 1852, and o
- NeuritisNeuritis (), from the Greek νεῦρον), is inflammation of a nerve or the general inflammatio
- Nicéphore NiépceFrench inventor (1765–1833)
- Nick SaganNicholas Julian Zapata Sagan (born September 16, 1970) is an American novelist and screenw
- Nicolas Léonard Sadi CarnotFrench physicist and engineer (1796–1832)
- Nicolaus II BernoulliNicolaus II Bernoulli (also spelled as Niklaus or Nikolaus; 6 February 1695 in Basel – 31
- Nicolaus OttoInventor of the internal combustion engine
- Niels BohrDanish physicist (1885–1962)
- Niels Bohr InstituteScientific research institute
- Niels Henrik AbelNorwegian mathematician (1802–1829)
- Nikola TeslaSerbian-American engineer and inventor (1856–1943)
- Nikolai LobachevskyRussian mathematician (1792–1856)
- Norman BorlaugAmerican agronomist and Nobel Laureate (1914–2009)
- Norman FeatherEnglish nuclear physicist
- Nuclear close callsList of incidents which could have led to a nuclear exchange