N.R.Finsen
Discovery : Phototherapy

Neils Bohr
Discovery : Atom

Newton
Discoveries : Laws Of Gravitation, Laws Of Motion

Nicolaus Copernicus
Discovery : Heliocentric Universe

Nikola Tesla
Discovery : Electric Motor (AC)

Neon Gas : Ramsay Travers
Neon-lamp : G. Claude
Neurophysiology : Charles Sherrington
Neutron : Chadwick
New Anatomy : Andreas Vesalius
New Astronomy : Tycho Brahe
New Science : Galileo Galilei
Newtonian Mechanics : Pierre Simon de Laplace
Newtonian Revolution : Isaac Newton
North Pole : Robert Peary (1909)
Nuclear Fission : Otto Hahn, Bohr and Fermi
Nylon : Dr. Wallace H. Carothers
Nylon : Plastic Carothers