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The in Chemistry 1971 Gerhard Herzberg

Gerhard Herzberg Born: 25 December 1904, , Died: 3 March 1999, , Canada Affiliation at the time of the award: National Research Council of Canada, Ottawa, Canada Prize motivation: "for his contributions to the knowledge of electronic structure and geometry of molecules, particularly free radicals" Field: , molecular structures

Information taken from The Official Website of the Nobel Prize nobelprize.org “…series of bands with complicated fine structure in the red and photographic infrared… This spectrum was analysed as that of an asymmetric top…” (1)

Geometrical structure of CH2 in the three lowest states

(1) Spectra and quotes from the Nobel Lecture by G. Herzberg The 1918 Max Planck

Max Karl Ernst Ludwig Planck Born: 23 April 1858, Kiel, Schleswig (now Germany) Died: 4 October 1947, Goettingen, West Germany Affiliation at the time of the award: Berlin University,Berlin, Germany Prize motivation: "in recognition of the services he rendered to the advancement of Physics by his discovery of energy quanta" Field: Quantum mechanics Max Planck received his Nobel Prize one year later, in 1919.

Information taken from The Official Website of the Nobel Prize nobelprize.org The Nobel Prize in Physics 1922 Niels Bohr

Niels Henrik David Bohr Born: 7 October 1885, Copenhagen, Denmark Died: 18 November 1962, Copenhagen, Denmark Affiliation at the time of the award: Copenhagen University, Copenhagen, Denmark Prize motivation: "for his services in the investigation of the structure of atoms and of the radiation emanating from them" Field: Theoretical nuclear physics

Information taken from The Official Website of the Nobel Prize nobelprize.org The Nobel Prize in Physics 1921 Albert Einstein

Albert Einstein Born: 14 March 1879, Ulm, Germany Died: 18 April 1955, Princeton, NJ, USA Affiliation at the time of the award: Kaiser- Wilhelm-Institut (now Max-Planck-Institut) für Physik, Berlin, Germany Prize motivation: "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect" Field: Theoretical physics Albert Einstein received his Nobel Prize one year later, in 1922

Information taken from The Official Website of the Nobel Prize nobelprize.org The electromagnetic spectrum

From http://en.wikipedia.org/wiki/Electromagnetic_spectrum Radiation Laws

de.wikipedia.org Planck’s law

Strahlungsspektren eines «schwarzen Körpers»

www.infratec.de

de.wikipedia.org Planck’s law