Max Planck   1858—1947   German physicist   Inventor of quantum theory   Profesor of theoretical physics   In 1899 discovered a new fundamental constant called Planck’s constant used to calculate the energy of a photon   Developed a set of units of measurement   In 1900 discovered the law of heat radiation named Planck’s law of black body radiation   This law became basis of quantum theory developed in cooperation with Niels Bohr and Albert Einstein   Awarded Nobel Prize in Physics in 1918   During World War II Planck tried to convince Hitler to spare Jewish scientists   Planck’s son Erwin was executed in 1944 implicated in a plot to assassinate Hitler   Max Planck Society for Advancement of Science named after him

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