Escutcheons of Science
 Niels Bohr (1885-1962)

Niels Bohr   (1885-1962)
Danish physicist.  Nobel laureate in 1922.
Knighted (Order of the Elephant) in 1947.

Argent, a taijitu Gules and Sable.
Motto :   Contraria sunt complementa  (opposites are complementary).


 Niels Bohr Niels Henrik David Bohr was awarded the Nobel prize for physics in 1922. 

His fourth son, Aage N. Bohr (1922-2009) grew up to be a world-class physicist in his own right, earning a Nobel Prize in 1975.

In 1947, Niels Bohr was awarded the Order of the Elephant, a prestigious Danish distinction normally reserved for royalty or distinguished generals  (the only other Danish scientist who received that honor was  Tycho Brahe,  in 1578).  Members of the  Order of the Elephant  have their coats-of-arms displayed on a wall-of-fame at Frederiksborg Castle.  Since Niels Bohr did not have a coat-of-arms, he designed one himself around the Tai-Chi  (yin-yang symbol)  which he envisioned as a striking traditional representation of the principle of complementarity on which he based his views of the fundamental laws of physics.  Also known as the wave-particle duality, this principle stresses that physical fields have properties which are usually attributed either to particles or to waves.

Google celebrated the 127th Birthday of Niels Bohr by using the following version of their logo on their main webpage worldwide, on Sunday, October 7th, 2012:

 Google Doodle for October 7, 2012: 127th Birthday of Niels Bohr

Semi-Classical Bohr Model   |   Quantum Theory   |   Quantum Field Theory   |   Waves   |   Yin-Yang Symbol    


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