John Hasbrouck Van Vleck

American physicist (1899–1980)

John Hasbrouck Van Vleck (March 13, 1899October 27, 1980) was an American physicist, co-awarded the 1977 Nobel Prize in Physics, for his contributions to the understanding of electrons in magnetic solids.

Van Vleck (left) receives the Lorentz Medal from Hendrik Brugt Gerhard Casimir at the Royal Netherlands Academy of Arts and Sciences, Amsterdam (1974).


Quotes

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  • … one can still say that quantum mechanics is the key to understanding magnetism. When one enters the first room with this key there are unexpected rooms beyond, but it is always the master key that unlocks each door.
    • Quantum Mechanics, The Key to Understanding Magnetism, Nobel Lecture (December 8, 1977)
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