Niels Erik Nørlund
Danish mathematician
Niels Erik Nørlund ForMemRS was a Danish mathematician.
His book Vorlesungen über Differenzenrechnung was the first book on complex function solutions of difference equations. His doctoral students include Georg Rasch.
The Norlund Alps and Norlund... Wikipedia
Born: October 26, 1885, Slagelse, Denmark
Died: July 4, 1981 (age 95 years), Copenhagen, Denmark
Education: Copenhagen University (1903–1910)
Parents: Alfred Christian Nørlund