Remembering one of the pioneers of high-energy physics - Arthur Holly Compton
Compton received the 1927 Nobel Prize in Physics for discovering the Compton effect. In an experiment he directed X-ray photons onto a metal surface. He found the X-rays' wavelength increased after some of the incident photon energy was transferred to free electrons.
In addition, Compton discovered the phenomenon of total reflection of X-rays and their complete polarisation, which led to a more accurate determination of the number of electrons in an atom.
Photo: Compton with graduate student Luis Walter Alvarez working on cosmic ray programs in 1933. Alvarez was later awarded the 1968 Nobel Prize in Physics.
Learn more about Compton: https://bit.ly/2MLaNPq
Grateful thanks to
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