Niels Bohr
lived from
1885 to 1962

Niels Bohr was a Danish mathematician who is best known for the investigations of atomic structure and also for work on radiation, which won him the 1922 Nobel Prize for physics. He had an important influence on the development of Quantum Mechanics.

See more at:   http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Bohr_Niels.html