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Max Karl Ernst Ludwig Planck, FRS[2] (/plÉËÅk/;[3] 23 April 1858 â 4 October 1947) was a German theoretical physicist whose discovery of energy quanta won him the Nobel Prize in Physics in 1918.[4]
This comes from the work of Max Planck preformed in 1900 using blackbody radiation. There were discrete values of energy that differed by this constant. In other words, all energy is a multiple of this constant multiplied by the frequency of the wave of light. Energy is therefore quantized, it is always a multiple of a single packet of energy. Now on to the equations.