Important scientists

 

N

 Yoichiro Nambu (1921 - )  physicist  spontaneous symmetry breaking, sub-atomic particles
 John Nash (1928 - )  methematician  game theory, differential geometry, partial differential equations

 James Nasmyth

(1808 - 1890)  engineer  inventor of steam hammer
 Daniel Nathans (1928 - 1999)  microbiologist  restriction endonucleases (with Arber, Smith)
 Giulio Natta (1903 - 1979)  chemist  polymers, Ziegler-Natta catalyst (with Ziegler)
 Louis Nel (1904 - 2000)  physicist  solid-state physics, magnetism (with Alfven)
 Ei-ichi Negishi (1935 - )  chemist  Heck reaction, Pd-catalyzed coupling reactions (with Heck, Suzuki)
 Erwin Neher (1944 - )  biophysicist  patch-clamp technique (with Sakmann)
 Ted Nelson (1937 - )  sociologist  information technology, hypertext
 Walther Nernst (1964 - 1941)  chemist  chemical affinity, thermodynamics, Nernst equation
 Carl Neuberg (1877 - 1956)  biochemist  hydrotropy, fermentation, Neuberg ester

 John  von Neumann

(1903 - 1957)  mathematician  game theory and operator theory (see also history)

 Thomas Newcomen

(1663 - 1729)  ironmonger  developed practical steam engine

 John Newlands

(1837 - 1898)  chemist  first (incorrect) Periodic Table of elements

 Isaac Newton

(1642 - 1727)  physicist, etc  Newton's laws of motion
 Charles Nicolle (1866 - 1936)  bacteriologist  louse, epidemic typhus

 Joseph-Nicephore Niepce

(1765 - 1833)  inventor  first true photograph

 Paul Nipkow

(1860 - 1940)  inventor  Nipkow disc for early television
 Marshall Nirenberg (1927 - 2010)  biochemist  Nirenberg/Leder experiment (with Leder), tRNA (with Khorana, Holley)

 Alfred Nobel

(1833 - 1896)  chemist  inventor of dynamite, instigator of Nobel Prize
 Ronald Norrish  (1897 - 1978)  chemist  fast chemical reactions (with Eigen, Porter)
 John Northrop (1891 - 1987)  biochemist  protein crystallization (with Stanley, Sumner)
 Konstantin Novoselov (1974 - )  physicist  graphene (with Geim)
 Ryji Noyori (1938 - )  chemist  Noyori asymmetric hydrogenation (with Knowles)
 Christiane Nsslein-Volhard (1942 - )  geneticist  Drosophila, bithorax complex, complementation, embryo development (with Lewis, Wieschaus)
 Paul Nurse (1949 - )  biochemist  cyclins, kinases, cell cycle (with Hunt)