Gerhard Herzberg Born: 25 December 1904, Hamburg, Germany Died: 3 March 1999, Ottawa, 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: Physical chemistry, molecular structures Information taken from The Official Website of the Nobel Prize nobelprize.org The Nobel Prize in Chemistry 1971

“…series of bands with complicated fine structure in the red and photographic infrared… This spectrum was analysed as that of an asymmetric top…” (1) (1) Spectra and quotes from the Nobel Lecture by G. Herzberg Geometrical structure of CH 2 in the three lowest states

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 The Nobel Prize in Physics 1918 Information taken from The Official Website of the Nobel Prize nobelprize.org

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 1922

Albert Einstein The Nobel Prize in Physics 1921 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

Planck’s law