He was born in the city of Gera, quantum hypothesis in 1900.
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In fact, he considered his quantum hypothesis a mathematical trick to get the right answer rather than a sizable discovery.
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However, in 1905 Albert Einstein interpreted Planck's quantum hypothesis realistically and used it to explain the photoelectric effect, in which shining light on certain materials can eject electrons from the material.
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For example, Max Planck interpolated between the Jeans radiation laws and used Occam's razor logic to formulate the quantum hypothesis, even resisting that hypothesis as it became more obvious that it was correct.
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An example would be the ability of the quantum hypothesis, proposed by Max Planck in 1900, to account for the observed black-body spectrum, an experimental result that the existing classical Rayleigh Jeans law could not predict.
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These studies were followed by the 1859 statement of the black-body radiation problem by Gustav Kirchhoff, the 1877 suggestion by Ludwig Boltzmann that the energy states of a physical system can be discrete, and the 1900 quantum hypothesis of Max Planck.
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Then, Albert Einstein in 1905, in order to explain the photoelectric effect previously reported by Heinrich Hertz in 1887, postulated consistently with Max Planck's quantum hypothesis that light itself is made of individual quantum particles, which in 1926 came to be called photons by Gilbert N . Lewis.
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For example, Maxwell equations, global momentum and energy conservation laws, Fermat s principle, and Einstein s light-quantum hypothesis are equally valid in all inertial frames, no matter whether the medium is moving or at rest, and no matter whether the space is fully or partially filled with a medium .
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The study further argues that a material medium is made up of massive particles, and the kinetic momentum and energy of each massive particle constitute a momentum-energy four-vector; thus the photon momentum and energy must constitute a Lorentz four-vector in order to satisfy global momentum-energy conservation law within the relativity-principle frame in the Einstein-box thought experiment . " In other words, in a system consisting of massive particles and photons, the momentums and energies of all individual massive particles and photons constitute Lorentz four-vectors " no matter whether they have interactions or not " . " Minkowski photon momentum and energy constitute a Lorentz four-vector and it is consistent with Einstein light-quantum hypothesis and momentum-energy conservation law within the relativity-principle frame; accordingly, the Minkowski momentum represents the unique correct photon momentum.
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