Namesakes
Aage Bohr
(a.k.a. Niels) (m) 1922-2009 
Nobel Prize Winners 1975 (physics)
Notable Scientists and Inventors
Nicolas Steno
(a.k.a. Niels) (m) 1638-1686
Notable Scientists and Inventors
Saints
Niels
(m) ?-1134
Danish Kings and Queens 1104-1134
Niels Henrik Abel
(m) 1802-1829
Notable Philosophers and Thinkers
Niels Bohr
(m) 1885-1962
Nobel Prize Winners 1922 (physics)
Notable Scientists and Inventors
Niels Ryberg Finsen
(m) 1860-1904
Nobel Prize Winners 1903 (medicine)
Notable Scientists and Inventors
Niels Kaj Jerne
(m) 1911-1994
Nobel Prize Winners 1984 (medicine)
Niels Neergaard
(m) 1854-1936
Danish Prime Ministers 1908-1909; 1920-1924
Niels "Noller" Olsen
(m) 1954-
Eurovision Song Contest Winners 2000 Denmark
Notable Musicians